7(2m+7)-7(m-1)=

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Solution for 7(2m+7)-7(m-1)= equation:


Simplifying
7(2m + 7) + -7(m + -1) = 0

Reorder the terms:
7(7 + 2m) + -7(m + -1) = 0
(7 * 7 + 2m * 7) + -7(m + -1) = 0
(49 + 14m) + -7(m + -1) = 0

Reorder the terms:
49 + 14m + -7(-1 + m) = 0
49 + 14m + (-1 * -7 + m * -7) = 0
49 + 14m + (7 + -7m) = 0

Reorder the terms:
49 + 7 + 14m + -7m = 0

Combine like terms: 49 + 7 = 56
56 + 14m + -7m = 0

Combine like terms: 14m + -7m = 7m
56 + 7m = 0

Solving
56 + 7m = 0

Solving for variable 'm'.

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

Add '-56' to each side of the equation.
56 + -56 + 7m = 0 + -56

Combine like terms: 56 + -56 = 0
0 + 7m = 0 + -56
7m = 0 + -56

Combine like terms: 0 + -56 = -56
7m = -56

Divide each side by '7'.
m = -8

Simplifying
m = -8

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