Question

7(x+2)=5(x-4) (É letra o x)

Answer 1

$7*(x+2)=5*(x-4) \\\\ (7*x) + (7*2) = (5*x) - (5*4) \\\\ 7x + 14 = 5x - 20 \\\\ 7x -5x = - 20 -14 \\\\ 2x = -34 \\\\ x = - \frac{34}{2} \\\\\\ {\boxed{Resposta: -17}}$

Espero ter ajudado!

Answer 2

7x+14=5x-20
7x-5x=-20-14
2x=-34
x=-34÷2
x=-17