Question

7(3x-2/7)-5(2x-3/5)+x

Answer 1

Espero ter ajudado.

$7\left(\frac{3x-2}{7}\right)-5\left(\frac{2x-3}{5}\right)+x\\\\7\cdot \frac{3x-2}{7}-5\cdot \frac{2x-3}{5}+x\\\\3x-2-\left(2x-3\right)+x\\\\3x-2-2x+3+x\ \boxed{=2x+1}$