Question

Помогите с уравнением -0,8х-4,2=-8,6

Answer 1

-0.8x = -8.6+4.2
-0.8x = -4.4 
x = 5.5

Answer 2

-0.8x-4.2=-8.6
-0.8x=-8.6+4.2
-0.8x=-4.4
x=-4.4:(-0.8)
x=5.5