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

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

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

`:\implies \sf x = (-21)/( - 3) \\ \\ \\`

`:\implies \sf x = (21)/(3) \\ \\ \\`

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