6.(x+35)=330
6.(5.x+35)=330
\(6.\left(5.x+35\right)=330\)
\(5.x+35=330:6\)
\(5.x+35=55\)
\(5.x=55-35\)
\(5.x=20\)
\(x=20:5\)
\(x=4\)
6 . ( 5x + 35 ) = 330
6.(5x + 35) = 330
5x + 35 = 55
5x = 20
x = 4
6.(5x+35)=330
5x+35 =330:6
5x+35 = 55
5x = 55-35
5x = 20
x = 20:5
x = 4
6x(5x+35)=330
5x+35=330:6
5x+35=55
5x=55-35
5x=20
x=4
k cho minh nha
231-(x-6)=1339:13
70-5.(2x-3)=45
156-(x+61)=82
6.(5x+35)=330
936-(4x+24)=72
a, \(231-\left(x-6\right)=1339:13\)
\(\Leftrightarrow231-\left(x-6\right)=103\)
\(\Leftrightarrow x-6=128\)
\(\Leftrightarrow x=134\)
Vậy .....
b, \(70-5\left(2x-3\right)=45\)
\(\Leftrightarrow5\left(2x-3\right)=25\)
\(\Leftrightarrow2x-3=5\)
\(\Leftrightarrow2x=8\)
\(\Leftrightarrow x=4\)
Vậy ....
c, \(156-\left(x+61\right)=82\)
\(\Leftrightarrow x+61=74\)
\(\Leftrightarrow x=13\)
Vậy ....
d, \(6\left(5x+35\right)=330\)
\(\Leftrightarrow5x+35=55\)
\(\Leftrightarrow5x=20\)
\(\Leftrightarrow x=4\)
Vậy ......
e, \(936-\left(4x+24\right)=72\)
\(\Leftrightarrow4x+24=864\)
\(\Leftrightarrow4x=840\)
\(\Leftrightarrow x=210\)
Vậy ...
231-(x-6)=1339:13
237-x=103
=>x=237-103=134
Vậy x=134
70-5(2x-3)=45
70-10x+15=45
=>-10x=45-15-70=-40
=>x=4
Vậy x=4
Các caau sau tương tự nhé bn
a, 231 - ( x - 6 ) = 1339 : 13
231 - ( x -6 ) = 103
x - 6 = 231 - 103 = 128
x = 128 + 6 = 134
b, 70 - 5 (2x -3 ) = 45
5 ( 2x -3 ) = 70 - 45 = 25
( 2x -3 ) = 25 : 5 = 5
2x = 5 + 3 = 8
x = 8 : 2 = 4
c, 156 - ( x + 61 ) = 82
x + 61 = 156 - 82 =74
x = 74 - 61
x = 13
d, 6 ( 5x + 35 ) = 330
5x + 35 = 330 : 6 = 55
5x = 55 - 35 = 20
x = 20 : 5 = 4
e, 936-(4x+ 24 ) = 72
4x + 24 = 936 - 72 = 864
4x = 864 - 24 = 840
x = 840 : 4 = 210
Chuc ban hoc tot nhe
6x (5 x X + 35) = 330
`@` `\text {Ans}`
`\downarrow`
\(6\times\left(5\times x+35\right)=330\)
`\Rightarrow 5 \times x + 35 = 330 \div 6`
`\Rightarrow 5 \times x + 35 = 55`
`\Rightarrow 5 \times x = 55 - 35`
`\Rightarrow 5 \times x = 20`
`\Rightarrow x = 20 \div 5`
`\Rightarrow x=4`
Vậy, `x=4.`
tìm x
70-5 .(2x-3) =45
156 -(x cộng 61 ) =82
6.(5x cộng 35) =330
936- (4x cộng 24) =72
a) \(70-5\left(2x-3\right)=45\)
\(70-10x+15=45\)
\(-10x=45-70-15\)
\(-10x=-40\)
\(x=4\)
vay \(x=4\)
b) \(156-\left(x+61\right)=82\)
\(x+61=156-82\)
\(x+61=74\)
\(x=74-61\)
\(x=13\)
vay \(x=13\)
c) \(6\left(5x+35\right)=330\)
\(30x+210=330\)
\(30x=330-210\)
\(30x=120\)
\(x=4\)
vay \(x=4\)
d) \(936-\left(4x+24\right)=72\)
\(4x+24=936-72\)
\(4x+24=864\)
\(4x=864-24\)
\(4x=840\)
\(x=210\)
vay \(x=210\)
\(70-5.\left(2x-3\right)\)\(=45\)
\(5.\left(2x-3\right)\)\(=\)\(70-45\)
\(5.\left(2x-3\right)\)\(=25\)
\(2x-3=25:5\)
\(2x-3=5\)
\(2x=8\)
\(x=8:2\)
\(x=4\)
\(156-\left(x+61\right)\)\(=82\)
\(x+61=156-82\)
\(x+61=74\)
\(x=74-61\)
\(x=13\)
\(6.\left(5x+35\right)\)\(=330\)
\(5x+35=330:6\)
\(5x+35=55\)
\(5x=55-35\)
\(5x=20\)
\(x=20:5\)
\(x=4\)
\(936-\left(4x+24\right)\)\(=72\)
\(4x+24=936-72\)
\(4x+24=864\)
\(4x=864-24\)
\(4x=840\)
\(x=840:4\)
\(x=210\)
Tìm x :
a) 70 - 5 . ( 2x - 3 ) = 45
5 . ( 2x - 3 ) = 70 - 45
5 . ( 2x - 3 ) = 25
2x - 3 = 25 : 5
2x - 3 = 5
2x = 5 + 3
2x = 8
x = 8 : 2
x = 4
b) 156 - ( x + 61 ) = 82
x + 61 = 156 - 82
x + 61 = 74
x = 74 - 61
x = 13
c) 6 . ( 5x + 35 ) = 330
5x + 35 = 330 : 6
5x + 35 = 55
5x = 55 - 35
5x = 20
x = 20 : 5
x = 4
d) 936 - ( 4x + 24 ) = 72
4x + 24 = 936 - 72
4x + 24 = 364
4x = 364 - 24
4x = 340
x = 340 : 4
x = 85
Tìm x:
a) 70-5.(2x-3)=45
b) 6.(5.x+35)=330
c)936-(4.x+24)=72
d)(x+1)+(x+3)+(x+5)=30
e)(x+2)+(x+4)+(x+6)+.....+(x+100)=2650
a) 70 - 5.(2x-3)=45
5.(2x-3)=70-45
10x-15 =25
10x =25 +15
10x =40
x =40:10
x = 4
b)6.(5x+35) =330
5x +35 = 330 : 6
5x +35 =55
5x = 55-35
5x = 20
x = 20 : 5
x = 4
c)936-(4.x+24)=72
4x+24 =936 - 72
4x+24 =864
4x = 864 - 24
4x = 840
x = 840 :4
x = 210
d)(x+1)+(x+3)+(x+5)
x+1+x+3+x+5=30
(x+x+x)+(1+3+5) = 30
3x + 9 =30
3x = 30-9
3x =21
x = 21 : 3
x = 7
e)Vì số lượng x bằng số số hạng nên số lượng x là :
(100 - 2) : 2 + 1 = 50 (số x)
Tổng 2 +4+6+8+...+100 là :
(100+2) x 50 : 2 = 2550
Ta có :
50 x + 2550 = 2650
50x = 2650 -2550
50x = 100
x = 100 : 50
x = 2
Tick nghen !
(6x + 35 ) = 330 : 6
S1= 2/1x2 + 2/2x3 + ...+2/100x101
(6x + 35 ) = 330 : 6
6x+35=55
6x=55-35
6x=20
x=20:6
x=10/3
6. (5x + 35)=330
Chỉ 1 câu thôi các bạn giúp mình nha mình đang cần gấp
6. (5x + 35) = 330
=> 5x + 35 = 330 : 6
=> 5x + 35 = 55
=> 5x = 55 - 35
=> 5x = 20
=> x = 20 :5
=> x = 4
Rất vui được giúp bạn
6 . (5x + 35) = 330
=> 5x + 35 = 330 : 6
=> 5x + 35 = 55
=> 5x = 55 - 35
=> 5x = 20
=> x = 20 : 5
=> x = 4
Vậy x = 4
~Study well~
#JDW
6.(5x + 35)=330
5x + 35 =330 : 6
5x + 35 = 55
5x = 55 - 35
5x = 20
x =20 :5
x =4
Bài 6: Tìm X biết :
a) X : [(1800+600) :30] = 560 : (315-35)
b) [(250-50) : 15] : X = (450-60) :130
c) (158- X) : 7 = 20
d) 231-(X - 6) = 1339:13
e) 70-5 (2xX-3) = 45
f)156 - (x +61) = 82
g) 6x(5xX+35) = 330
h) 936 - (4xX +24) =72
a) => x : 80 = 2
=> x = 160
b) => 200/15 : x = 3
=> x = 40/9
c) => 158 - x = 140
=> x = 18
d) => 231 - (x-6) = 103
=> x - 6 = 128
=> x = 134