Question

-6x + 3x = -21 solving for variable

Answer 1

x= 7 is the answer

Combine like terms

-3x=21

Divide both sides by 3

x=7

Answer 2

Answer:

$:\implies \sf -6x + 3x = -21$

$:\implies \sf - 3x = -21$

$:\implies \sf x = \dfrac{-21}{ - 3}$

$:\implies \sf x = \dfrac{21}{3}$

$:\implies \underline{ \boxed{ \textsf { \textbf{x = 7}}}}$