7M+8-2M+12=-10

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Solution for 7M+8-2M+12=-10 equation: 


Simplifying
7M + 8 + -2M + 12 = -10

Reorder the terms:
8 + 12 + 7M + -2M = -10

Combine like terms: 8 + 12 = 20
20 + 7M + -2M = -10

Combine like terms: 7M + -2M = 5M
20 + 5M = -10

Solving
20 + 5M = -10

Solving for variable 'M'.

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

Add '-20' to each side of the equation.
20 + -20 + 5M = -10 + -20

Combine like terms: 20 + -20 = 0
0 + 5M = -10 + -20
5M = -10 + -20

Combine like terms: -10 + -20 = -30
5M = -30

Divide each side by '5'.
M = -6

Simplifying
M = -6

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