( x - 3 ) :6 = 7 . 0
( x - 3) : 6 = 0
(x-3) = 0.6
x-3 = 0
x = 0+3
x = 3
( x - 3 ) :6 = 7 . 0
( x - 3) : 6 = 0
(x-3) = 0.6
x-3 = 0
x = 0+3
x = 3
Tính bằng cách thuận tiện nhất :
9 , 3 x 6 , 7 + 9 , 3 x 3 , 3
7 , 8 x 0 , 35 + 0 , 35 x 2 , 2
tìm x biết: 12. (x+41)=624
420(3. x-6)=7
(82-5.x):13-4=0
(32.45):2=(x+70):14-40
45-[(72-8.x):4+7].3=0
1 x 1 x2 x 3 x 4 x 5 x 6 x 7 x 0=?
1. 4 + x = 7 - 2x
2. 5 + x = 8,3 + 4,7 - x
3. x + 12 = 35 + ½x
4. 6 + x = 7⅓ + 2 - x
5. 20x + 4 = 19,2 + 15x
6. x + 5 = 8 2/5 - 4x
7. 3 (x +1) = 13,5
8. 32 - (32 - x) = 32
9. 5x - 12 3/5 = 0
10. x - 10/3 = 0
P/s : Please, help me 😋😋
Tìm y biết:
a. y – 6 : 2 – ( 48 – 24 x 2 : 6 – 3) = 0
b. (7 x 13 + 8 x 13) : ( 9 2 3 – y) = 39
1. Tính
a) 5/7 x 4 : 5/9
b) 8 x 2/3 : 1/2
c) 6 : 3/5 - 7/6 x 6/7
21/5 x 10/11 + 57/11
2. Tìm x
a) 35/9 : x = 35/6
b) (1/1x2 + 1/2x3 + 1/3x4 +1/4x5 +1/5x6) x 10- x = 0
tìm x
a 6 x + 15x8=12.(19-x)
b 160-(35: x +3 )x15=15
c 2x - ( 1309:11-19)-2=0
d (x-7)x(2x-16)=0
giúp mk với
Tìm X:
a, 3(2-X)+5(X-6)=98
b,3X-2=2X-3
c,(X-7)(X^3-8)=0
2+4+6+...+ x =60
1 +4 + 7+ 10 +....+ x = 330
2-(5 3/8 + x - 7 5/24 ) :16 2/3 = 0