-8m+1-m=12+7

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Solution for -8m+1-m=12+7 equation:


Simplifying
-8m + 1 + -1m = 12 + 7
Reorder the terms:
1 + -8m + -1m = 12 + 7
Combine like terms: -8m + -1m = -9m
1 + -9m = 12 + 7
Combine like terms: 12 + 7 = 19
1 + -9m = 19
Solving
1 + -9m = 19
Solving for variable 'm'.
Move all terms containing m to the left, all other terms to the right.
Add '-1' to each side of the equation.
1 + -1 + -9m = 19 + -1
Combine like terms: 1 + -1 = 0
0 + -9m = 19 + -1
-9m = 19 + -1
Combine like terms: 19 + -1 = 18
-9m = 18
Divide each side by '-9'.
m = -2
Simplifying
m = -2

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