-m+7(1+3m)=-153

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Solution for -m+7(1+3m)=-153 equation:


Simplifying
-1m + 7(1 + 3m) = -153
-1m + (1 * 7 + 3m * 7) = -153
-1m + (7 + 21m) = -153

Reorder the terms:
7 + -1m + 21m = -153

Combine like terms: -1m + 21m = 20m
7 + 20m = -153

Solving
7 + 20m = -153

Solving for variable 'm'.

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

Add '-7' to each side of the equation.
7 + -7 + 20m = -153 + -7

Combine like terms: 7 + -7 = 0
0 + 20m = -153 + -7
20m = -153 + -7

Combine like terms: -153 + -7 = -160
20m = -160

Divide each side by '20'.
m = -8

Simplifying
m = -8

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