7(2m+13)=12m+42

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Solution for 7(2m+13)=12m+42 equation:


Simplifying
7(2m + 13) = 12m + 42

Reorder the terms:
7(13 + 2m) = 12m + 42
(13 * 7 + 2m * 7) = 12m + 42
(91 + 14m) = 12m + 42

Reorder the terms:
91 + 14m = 42 + 12m

Solving
91 + 14m = 42 + 12m

Solving for variable 'm'.

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

Add '-12m' to each side of the equation.
91 + 14m + -12m = 42 + 12m + -12m

Combine like terms: 14m + -12m = 2m
91 + 2m = 42 + 12m + -12m

Combine like terms: 12m + -12m = 0
91 + 2m = 42 + 0
91 + 2m = 42

Add '-91' to each side of the equation.
91 + -91 + 2m = 42 + -91

Combine like terms: 91 + -91 = 0
0 + 2m = 42 + -91
2m = 42 + -91

Combine like terms: 42 + -91 = -49
2m = -49

Divide each side by '2'.
m = -24.5

Simplifying
m = -24.5

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