Question

решите уравнения
-0.2x*(-4)=0.08
2/3(4.2-9.6x)=2.8(2/7-1/2x)

Answer 1

Первое уравнение
-0.2x*(-4)=0.08
0.8x=0.08
x=0.1

Answer 2

-6 2/5х + 1 2/5 х = - 2 4/5 + 4/5