Question

Срочно!!!!5 завдання.

Answer 1

(x-142/5) ÷ 1/2=39,6
(x-142/5) × 2=39,6
2x=39,6+284/5
2x=198/5+284/5
2x=482/5
x=241/5

Answer 2

(x-28,4):0,5=39,6
x-28,4=39,6•0,5
x-28,4=19,8
x=28,4+19,8
x=48,2