3m+4m-12=2(m+4)

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Solution for 3m+4m-12=2(m+4) equation:


Simplifying
3m + 4m + -12 = 2(m + 4)

Reorder the terms:
-12 + 3m + 4m = 2(m + 4)

Combine like terms: 3m + 4m = 7m
-12 + 7m = 2(m + 4)

Reorder the terms:
-12 + 7m = 2(4 + m)
-12 + 7m = (4 * 2 + m * 2)
-12 + 7m = (8 + 2m)

Solving
-12 + 7m = 8 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
-12 + 7m + -2m = 8 + 2m + -2m

Combine like terms: 7m + -2m = 5m
-12 + 5m = 8 + 2m + -2m

Combine like terms: 2m + -2m = 0
-12 + 5m = 8 + 0
-12 + 5m = 8

Add '12' to each side of the equation.
-12 + 12 + 5m = 8 + 12

Combine like terms: -12 + 12 = 0
0 + 5m = 8 + 12
5m = 8 + 12

Combine like terms: 8 + 12 = 20
5m = 20

Divide each side by '5'.
m = 4

Simplifying
m = 4

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