7(m-4)+12=3m+20

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Solution for 7(m-4)+12=3m+20 equation:


Simplifying
7(m + -4) + 12 = 3m + 20

Reorder the terms:
7(-4 + m) + 12 = 3m + 20
(-4 * 7 + m * 7) + 12 = 3m + 20
(-28 + 7m) + 12 = 3m + 20

Reorder the terms:
-28 + 12 + 7m = 3m + 20

Combine like terms: -28 + 12 = -16
-16 + 7m = 3m + 20

Reorder the terms:
-16 + 7m = 20 + 3m

Solving
-16 + 7m = 20 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-16 + 7m + -3m = 20 + 3m + -3m

Combine like terms: 7m + -3m = 4m
-16 + 4m = 20 + 3m + -3m

Combine like terms: 3m + -3m = 0
-16 + 4m = 20 + 0
-16 + 4m = 20

Add '16' to each side of the equation.
-16 + 16 + 4m = 20 + 16

Combine like terms: -16 + 16 = 0
0 + 4m = 20 + 16
4m = 20 + 16

Combine like terms: 20 + 16 = 36
4m = 36

Divide each side by '4'.
m = 9

Simplifying
m = 9

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