3-m=m-7

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Solution for 3-m=m-7 equation:


Simplifying
3 + -1m = m + -7

Reorder the terms:
3 + -1m = -7 + m

Solving
3 + -1m = -7 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
3 + -1m + -1m = -7 + m + -1m

Combine like terms: -1m + -1m = -2m
3 + -2m = -7 + m + -1m

Combine like terms: m + -1m = 0
3 + -2m = -7 + 0
3 + -2m = -7

Add '-3' to each side of the equation.
3 + -3 + -2m = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -2m = -7 + -3
-2m = -7 + -3

Combine like terms: -7 + -3 = -10
-2m = -10

Divide each side by '-2'.
m = 5

Simplifying
m = 5

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