3(2m-7)=21

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Solution for 3(2m-7)=21 equation: 


Simplifying
3(2m + -7) = 21

Reorder the terms:
3(-7 + 2m) = 21
(-7 * 3 + 2m * 3) = 21
(-21 + 6m) = 21

Solving
-21 + 6m = 21

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '21' to each side of the equation.
-21 + 21 + 6m = 21 + 21

Combine like terms: -21 + 21 = 0
0 + 6m = 21 + 21
6m = 21 + 21

Combine like terms: 21 + 21 = 42
6m = 42

Divide each side by '6'.
m = 7

Simplifying
m = 7

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