Question

na figura abaixo , a\\b\\c.qual o valor de x e y

Answer 1

$Resolu\c{c}\~ao \to \left\{\begin{array}{ccc} \frac{3x+1}{5x-2} = \frac{-10}{-15} \\\\ \frac{3x+1}{5x-2} = \frac{10}{15}\\\\15*(3x+1) = 10*(5x-2)\\\\45x + 15 = 50x-20\\\\45x-50x = -20-15\\\\-5x = -35\\\\5x = 35\\\\\boxed{\boxed{x = 7}}\end{array}\right$

Espero ter ajudado. :))