-m+14=4(7m-7)-8m

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Solution for -m+14=4(7m-7)-8m equation:


Simplifying
-1m + 14 = 4(7m + -7) + -8m

Reorder the terms:
14 + -1m = 4(7m + -7) + -8m

Reorder the terms:
14 + -1m = 4(-7 + 7m) + -8m
14 + -1m = (-7 * 4 + 7m * 4) + -8m
14 + -1m = (-28 + 28m) + -8m

Combine like terms: 28m + -8m = 20m
14 + -1m = -28 + 20m

Solving
14 + -1m = -28 + 20m

Solving for variable 'm'.

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

Add '-20m' to each side of the equation.
14 + -1m + -20m = -28 + 20m + -20m

Combine like terms: -1m + -20m = -21m
14 + -21m = -28 + 20m + -20m

Combine like terms: 20m + -20m = 0
14 + -21m = -28 + 0
14 + -21m = -28

Add '-14' to each side of the equation.
14 + -14 + -21m = -28 + -14

Combine like terms: 14 + -14 = 0
0 + -21m = -28 + -14
-21m = -28 + -14

Combine like terms: -28 + -14 = -42
-21m = -42

Divide each side by '-21'.
m = 2

Simplifying
m = 2

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