Question

-2/5x+6=1/2(x-1) помогите

Answer 1

-2/5x + 6 = 1/2x - 1/2

-2/5x - 1/2x= -6 - 1/2

-2/5x - 1/2x + 6 + 1/2=0

-4/10x - 5/10x + 6,5=0

-9/10x + 6,5 =0

-9/10x = - 6,5

-9/10x=-6, 5/10 = -65/10

9/10x=65/10

9x=65

x=65/9=7, 3/9

ну как то так..