Tìm x biết:

x - 2/5 = 1 - x/6

2 câu trả lời

x-25=1-x6

6(x-2)=5(1-x)

6x-12=5-5x

6x+5x=5+12

11x=17

x=1711

Vậy x=1711

x-25=1-x6

6.(x-2)=5.(1-x)

6x-6.2=5.1-5x

6x-12=5-5x

6x+5x-12=5

(6+5)x=5+12

11x=17

x=17:11

x=1711

Vậy x=1711

#dtkc`