Question

resolva o calculo

-3x=-9​

Answer 1

$-3x= -9\\\\\\x= \frac{-9}{-3} \\\\\\x= + 3$

Resposta: x= +3

Answer 2

Resposta:

-3x = -9​

-3x/-3 = -9/-3

(9:3= 3*3= 3+ - = +3)

x = +3