-15m-9(-5m-18)=20m-8-20

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Solution for -15m-9(-5m-18)=20m-8-20 equation:


Simplifying
-15m + -9(-5m + -18) = 20m + -8 + -20

Reorder the terms:
-15m + -9(-18 + -5m) = 20m + -8 + -20
-15m + (-18 * -9 + -5m * -9) = 20m + -8 + -20
-15m + (162 + 45m) = 20m + -8 + -20

Reorder the terms:
162 + -15m + 45m = 20m + -8 + -20

Combine like terms: -15m + 45m = 30m
162 + 30m = 20m + -8 + -20

Reorder the terms:
162 + 30m = -8 + -20 + 20m

Combine like terms: -8 + -20 = -28
162 + 30m = -28 + 20m

Solving
162 + 30m = -28 + 20m

Solving for variable 'm'.

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

Add '-20m' to each side of the equation.
162 + 30m + -20m = -28 + 20m + -20m

Combine like terms: 30m + -20m = 10m
162 + 10m = -28 + 20m + -20m

Combine like terms: 20m + -20m = 0
162 + 10m = -28 + 0
162 + 10m = -28

Add '-162' to each side of the equation.
162 + -162 + 10m = -28 + -162

Combine like terms: 162 + -162 = 0
0 + 10m = -28 + -162
10m = -28 + -162

Combine like terms: -28 + -162 = -190
10m = -190

Divide each side by '10'.
m = -19

Simplifying
m = -19

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