\(\dfrac{3}{8}x-\dfrac{1}{4}-\dfrac{2}{3}x+\dfrac{1}{9}=\dfrac{7}{36}\)
=> \(\dfrac{3}{8}x-\dfrac{2}{3}x-\left(\dfrac{1}{4}+\dfrac{1}{9}\right)=\dfrac{7}{36}\)
=> \(\dfrac{-7}{24}x-\dfrac{5}{36}=\dfrac{7}{36}\)
=> \(\dfrac{-7}{24}x=\dfrac{1}{3}\)
=> \(x=\dfrac{-8}{7}\)
Bài 5.Tìm x N, sao cho:
a)3636 : (12x –91) = 36
b)(x : 23 + 45) . 67 = 8911
c)[(6x –39) : 7]. 4 = 12
d)(3x –24). 73= 2. 74
e)x(x –10) = 0
f)(x+ 1). (x –2) = 0
g)(9 –x)3= 64
h)3x= 81
i)2 . 3x= 10 . 312+ 8 . 312
j)(19x + 2.52) : 14 = (13 -8)2-42
1. 6 X mũ 3 -8 =40
2. 4 X mũ 5 +15=47
3. 2 X mũ 3-4=12
4. 5 X mũ 3-5=0
5. (X -5) mũ 2016 = (X-5) mũ 2018
6. (3X -2) mũ 20= (3X-1) mũ 20
7. (3X -1) mũ 10 = (3X-1) mũ 20
8. (2X -1) mũ 50 = 2X-1
9. (X phần 3 -5) mũ 2000= ( X phần 3-5) mũ 2008
1/ x + 1/2 = -5/3 6/ x - 1/5 = 9/10
2/ 1/3 - x = 3/5 7/ x + 5/12 = 3/8
3/ 3-4 + x = 7/2 8/ x + 5/4 = 7/6
4/ x - 4/3 = -7/9 9/ x - 2/7 = 1/35
5/ x - -7/3 = 5/6 10/ x - 1/5 = -7/10
1/ x + 1/2 = -5/3
2/ 1/3 - x = 3/5
3/ 3-4 + x = 7/2
4/ x - 4/3 = -7/9
5/ x - -7/3 = 5/6
6/ x - 1/5 = 9/10
7/ x + 5/12 = 3/8
8/ x + 5/4 = 7/6
9/ x - 2/7 = 1/35
10/ x - 1/5 = -7/10
Tìm x
1) -3-(-x) =5
2)-9-(x-3)=12
3)-10-(x-5)=-5
4)210-(10-x) =110
5)4x-(2x-5)=21
6)14x-5=8x+10
7)15+5x =3x+30
8)2x-5=15-3x
9)2(3x+5)+3(x+1)=x+220
10)4.(x-2+5(x-3)=18
Giúp mik vs
Mik cần gấp
(1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 0)*( 9 - 8 + 7 - 6 + 5 - 4 - 3 + 2 - 1)*( 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 ×9)*(1-1+2-2+3+4-7)=?
Tính nhanh
Các bạn viết luôn kết quả cho mình nha😂😂😂😂😂😂😂😂
tim x
a, ( 3-2x ) . ( 1/3 - 1/2 ) ^2 + 4 . (7-5x ) = 9-2x
b, 7 - 3x 1 - 3x
_______ = ______
4 + x x - 5
Bài 1 : Tìm x
a) 2x + 1 phần 7 = 1 phần 3
b) 3(x - 1 phần 2) = 4 phần 9
c) ( x - 5)2 + 4 = 68
d) (|x|- 1 phần 2 ) (2x + 3 phần 2) = 0
e) 5x + 2 = 3x + 8
f) 26 - (5 - 2x) = 27
g) ( 4x - 8 ) - ( 2x - 6 ) = 4
h) (x + 3)3 ÷ 3 - 1 = - 10
1) 3(x-5)(2x+9)+3x-15=0
2) (x2-16)(12-4x)=0
3) (9-x2)(4x-8)=0
4) (8-x3)(5x-125)=0
5) 4x=8
