m+2(-5m-6)=-66

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Solution for m+2(-5m-6)=-66 equation:


Simplifying
m + 2(-5m + -6) = -66

Reorder the terms:
m + 2(-6 + -5m) = -66
m + (-6 * 2 + -5m * 2) = -66
m + (-12 + -10m) = -66

Reorder the terms:
-12 + m + -10m = -66

Combine like terms: m + -10m = -9m
-12 + -9m = -66

Solving
-12 + -9m = -66

Solving for variable 'm'.

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

Add '12' to each side of the equation.
-12 + 12 + -9m = -66 + 12

Combine like terms: -12 + 12 = 0
0 + -9m = -66 + 12
-9m = -66 + 12

Combine like terms: -66 + 12 = -54
-9m = -54

Divide each side by '-9'.
m = 6

Simplifying
m = 6

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