Question

Срочно пжжж!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Алгебра

Answer 1

Ответ:

$(x + 9) + x = 252 \\ 2x = 252 - 9 \\ x = 243 \div 2 \\ x = 121.5 \\ 121.5 + 9 = 130.5 \\ 1) = 121.5 \: \: \: 2) = 130.5 \\ {x}^{2} +{(x - 8)}^{2} = {40}^{2}$

на второе нет времени