Question

tim X biet : 30% x X + X = 52

Answer 1

Ta có: 30%xX+X=52

nên 130%xX=52

 X=52:130%=40

Vậy X= 40

Answer 2

40 bạn ơi

30% x X + X = 52

30 % x X + X x 100% = 52

130 % x X = 52

             X = 52 x 100 / 130

            X = 40

nhớ k cho mình nhé

Answer 3

30% x X + X =52

X + X = 52 : 30%

2X= 520/3

X = 520/3 :2

X = 520/3 x1/2

X = 260/3

Answer 4

X=40 ban nhe!

nho h cho minh