Question

Решите уравнение
3(x+1)-(22-5x)=9-x

Answer 1

$3(x + 1) - (22 - 5x) = 9 - x \ 3x + 3 - 22 + 5x = 9 - x \ (3 + 5)x = 8x \ 8x - 19 = 9 - x \ 8x + x = 9 + 19 \ 9x = 28 div 9 \ \ x = frac{28}{9}$