78=-2(m+6)+m

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Solution for 78=-2(m+6)+m equation:


Simplifying
78 = -2(m + 6) + m

Reorder the terms:
78 = -2(6 + m) + m
78 = (6 * -2 + m * -2) + m
78 = (-12 + -2m) + m

Combine like terms: -2m + m = -1m
78 = -12 + -1m

Solving
78 = -12 + -1m

Solving for variable 'm'.

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

Add 'm' to each side of the equation.
78 + m = -12 + -1m + m

Combine like terms: -1m + m = 0
78 + m = -12 + 0
78 + m = -12

Add '-78' to each side of the equation.
78 + -78 + m = -12 + -78

Combine like terms: 78 + -78 = 0
0 + m = -12 + -78
m = -12 + -78

Combine like terms: -12 + -78 = -90
m = -90

Simplifying
m = -90

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