Question

120-(85-х)=70
срочно​

Answer 1

Ответ: 35

$120 - (85 - x) = 70 \\ 120 - 85 + x = 70 \\ 35 + x = 70 \\ x = 70 - 35 \\ x = 35$

Answer 2

120-(85-х)=70
120-(-х+85)=70