Question

X+7x+10y-3x
AJUDA AIIIIIIIIII

Answer 1

$5x+10y$
-Fatorando
$5 (x+2y)$
-Resolvendo para X
$x= \frac {-10y}{5} = -2y$
-Resolvendo para Y
$y= \frac {-5x}{10} = \frac {-x}{2}$