3(m-7)=-5(1-m)

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Solution for 3(m-7)=-5(1-m) equation:


Simplifying
3(m + -7) = -5(1 + -1m)

Reorder the terms:
3(-7 + m) = -5(1 + -1m)
(-7 * 3 + m * 3) = -5(1 + -1m)
(-21 + 3m) = -5(1 + -1m)
-21 + 3m = (1 * -5 + -1m * -5)
-21 + 3m = (-5 + 5m)

Solving
-21 + 3m = -5 + 5m

Solving for variable 'm'.

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

Add '-5m' to each side of the equation.
-21 + 3m + -5m = -5 + 5m + -5m

Combine like terms: 3m + -5m = -2m
-21 + -2m = -5 + 5m + -5m

Combine like terms: 5m + -5m = 0
-21 + -2m = -5 + 0
-21 + -2m = -5

Add '21' to each side of the equation.
-21 + 21 + -2m = -5 + 21

Combine like terms: -21 + 21 = 0
0 + -2m = -5 + 21
-2m = -5 + 21

Combine like terms: -5 + 21 = 16
-2m = 16

Divide each side by '-2'.
m = -8

Simplifying
m = -8

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