Question

1. −5r+8r+5=--------------------------

Answer 1

Respuesta:

$−5r+8r+5= \\ 3r + 5 = \\ 3r = - 5 \\ r = - \frac{5}{3} \\ comprovacion \\ 3r = - 5 \\ 3 \times - \frac{5}{3} = - 5 \\ - 5 = - 5 \\ espero \: que \: te \: sirva....$