-3(7-4m)=-1+7m

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Solution for -3(7-4m)=-1+7m equation:


Simplifying
-3(7 + -4m) = -1 + 7m
(7 * -3 + -4m * -3) = -1 + 7m
(-21 + 12m) = -1 + 7m

Solving
-21 + 12m = -1 + 7m

Solving for variable 'm'.

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

Add '-7m' to each side of the equation.
-21 + 12m + -7m = -1 + 7m + -7m

Combine like terms: 12m + -7m = 5m
-21 + 5m = -1 + 7m + -7m

Combine like terms: 7m + -7m = 0
-21 + 5m = -1 + 0
-21 + 5m = -1

Add '21' to each side of the equation.
-21 + 21 + 5m = -1 + 21

Combine like terms: -21 + 21 = 0
0 + 5m = -1 + 21
5m = -1 + 21

Combine like terms: -1 + 21 = 20
5m = 20

Divide each side by '5'.
m = 4

Simplifying
m = 4

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