Question

Уравнение. -8x=3,2 4-5х=0 10х+7=3 3-4х=х-12 (х+7)-(3х+5)=2 3(2х-1)+12=х

Answer 1

-8x=3,2   x=-3,2:8=-0,4
4-5х=0   4=5x   x=4/5=0,8
10х+7=3   10x = -4  x= -0,4
3-4х=х-12   -5x = -15    x=3
(х+7)-(3х+5)=2  x+7-3x -5 = 2-2x = 0  x=0

3(2х-1)+12=х  6x-3+12 =x
5x = -9  x = -9/5 = -1,8