7m+8=-55

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Solution for 7m+8=-55 equation: 


Simplifying
7m + 8 = -55

Reorder the terms:
8 + 7m = -55

Solving
8 + 7m = -55

Solving for variable 'm'.

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

Add '-8' to each side of the equation.
8 + -8 + 7m = -55 + -8

Combine like terms: 8 + -8 = 0
0 + 7m = -55 + -8
7m = -55 + -8

Combine like terms: -55 + -8 = -63
7m = -63

Divide each side by '7'.
m = -9

Simplifying
m = -9

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