Giúp Khánh Chi vs <3

Tìm X, biết 

a,(x+1/4-1/3):(2+1/6-1/4)=7/46

b, 13/15-(13/21+x).7/12=7/10

(x+1/4-1/3):(2+1/6-1/4)=7/46

13/15-(13/21+x).7/12=7/10

1.tìm x

a)(x=1/4-1/3):(2+1/6-1/4)=7/40

b)13/15-(13/21+x).7/12=7/10

c)(-5/3)^3<x<-24/35.-5/6(x thuộc Z)

1 Tìm x

a) (3/4-1/5-1/6)::1/30-|3x-3|=2

b)5/7.3x-8/5=35/9

c)13/15-(13/21+x).7?12=7/10

d)(+1/4-1/3):(2+1/6-1/4)==7/46

 tìm x:  A.  (x +1/4-1/3) : (2 +1/6 - 1/4) = 7/46

     b. 13/15 - ( 13/21 + x) . 4/12 = 7/10
ai giải sớm mình tick cho nha

TÌM X BIẾT

a,(X+1/4-1/3) CHIA (2+1/6-1/4)=7/46

b,13/45-(13/21+X)7/12=7/10

Tìm x:

a) x - 25% x = 1/2 ( một phần hai)

b) 8x = 7,8x + 25

c) ( x + 1/4 - 1/3) : (2 + 1/6 - 1/4) = 7/46

d) 13/15 - (13/21 + x) . 7/12 = 7/10

e) 2 / 1/2.x - 1/3 ? - 3/2 = 1/4

f) 3 ( 3x - 1/2)³ + 1/9 = 0 

Bài 1: Tính:

A= 1001. (5/111111+ 5/222222- 4/3.7.11.13.17)

Bài 2: Tìm x:

a)  x- 20/11.13- 20/13.15- 20/15.17-................-20/53.55= 3/11

b)  (x+ 1/4- 1/3) : (2+ 1/6- 1/4)= 7/46

c)  13/15- (13/21+ x). 7/12= 7/10

a) x - = b) . c)
) : e) f) .
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3 13 2 4 3 7 2
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