Question

Calcular
3 (18-3y) + 7y= 50​

Answer 1

$54 - 9y + 7y = 50$

$- 9y + 7y = 50 -54$

$y(7 - 9) = - 4$

$y( - 2) = - 4$

$y = \frac{-4}{ - 2}$

$y = 2$