Question

помогите даю 29баллов​

Answer 1

$frac{x + 3}{7} = frac{2x - 1}{5} \ 5 times (x + 3) = 7 times (2x - 1) \ 5x + 15 = 14x - 7 \ 5x - 14x = - 7 - 15 \ - 9x = - 22 \ x = frac{22}{9}$