Question

qual o calculo de -3x sob 7 =-6

Answer 1

$\dfrac{-3x}{7} =-6\to ~~multiplique~~cruzado:\\\\-3x=-42\to \\\\ \boxed{x= \frac{42}{3}}$

Answer 2

- 3x/7 = - 6

- 3x = - 6 • 7

- 3x = - 42

x= - 42/-3

x= 14