Question

b)-- 5x + 9 = -- 2x - 3
R = 4​

Answer 1

Olá,

$- 5x + 9 = - 2x - 3$

$- 5x + 2x = - 3 - 9$

$- 3x = - 12$

$x = \frac{ - 12}{ - 3}$

$x = 4$