(7-m)-(m-7)=

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Solution for (7-m)-(m-7)= equation:


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

Remove parenthesis around (7 + -1m)
7 + -1m + -1(m + -7) = 0

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

Reorder the terms:
7 + 7 + -1m + -1m = 0

Combine like terms: 7 + 7 = 14
14 + -1m + -1m = 0

Combine like terms: -1m + -1m = -2m
14 + -2m = 0

Solving
14 + -2m = 0

Solving for variable 'm'.

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

Add '-14' to each side of the equation.
14 + -14 + -2m = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -2m = 0 + -14
-2m = 0 + -14

Combine like terms: 0 + -14 = -14
-2m = -14

Divide each side by '-2'.
m = 7

Simplifying
m = 7

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