78-m=-2(m+3)

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Solution for 78-m=-2(m+3) equation:


Simplifying
78 + -1m = -2(m + 3)

Reorder the terms:
78 + -1m = -2(3 + m)
78 + -1m = (3 * -2 + m * -2)
78 + -1m = (-6 + -2m)

Solving
78 + -1m = -6 + -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.
78 + -1m + 2m = -6 + -2m + 2m

Combine like terms: -1m + 2m = 1m
78 + 1m = -6 + -2m + 2m

Combine like terms: -2m + 2m = 0
78 + 1m = -6 + 0
78 + 1m = -6

Add '-78' to each side of the equation.
78 + -78 + 1m = -6 + -78

Combine like terms: 78 + -78 = 0
0 + 1m = -6 + -78
1m = -6 + -78

Combine like terms: -6 + -78 = -84
1m = -84

Divide each side by '1'.
m = -84

Simplifying
m = -84

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