-9+7m=-3(7-m)

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Solution for -9+7m=-3(7-m) equation:


Simplifying
-9 + 7m = -3(7 + -1m)
-9 + 7m = (7 * -3 + -1m * -3)
-9 + 7m = (-21 + 3m)

Solving
-9 + 7m = -21 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-9 + 7m + -3m = -21 + 3m + -3m

Combine like terms: 7m + -3m = 4m
-9 + 4m = -21 + 3m + -3m

Combine like terms: 3m + -3m = 0
-9 + 4m = -21 + 0
-9 + 4m = -21

Add '9' to each side of the equation.
-9 + 9 + 4m = -21 + 9

Combine like terms: -9 + 9 = 0
0 + 4m = -21 + 9
4m = -21 + 9

Combine like terms: -21 + 9 = -12
4m = -12

Divide each side by '4'.
m = -3

Simplifying
m = -3

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