Question

7 (m+5) = 21
as a step by step problem?

Answer 1

m = -2.

Explanation:

First divide both sides by 7; m + 5 = 3.

Then subtract 5 from both sides; m = -2.

Answer 2

m=-2

Explanation:

You want to isolate the variable on one side (m).

Divide each side by 7.

m+5=3

Subtract 5 from both sides

m=-2