Question

Проверь уравнение 75-(5x+x)*3=38

Answer 1

$75-3(5x+x)=38; \ 75-18x=38; \ -18x=38-75; \ -18x=-37; \ x=frac{37}{18}; \ x=2 frac{1}{18}. \ 75-3(5*2 frac{1}{18}+2 frac{1}{18})=38; \ 38=38.$