m-7=9-13

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Solution for m-7=9-13 equation: 


Simplifying
m + -7 = 9 + -13

Reorder the terms:
-7 + m = 9 + -13

Combine like terms: 9 + -13 = -4
-7 + m = -4

Solving
-7 + m = -4

Solving for variable 'm'.

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

Add '7' to each side of the equation.
-7 + 7 + m = -4 + 7

Combine like terms: -7 + 7 = 0
0 + m = -4 + 7
m = -4 + 7

Combine like terms: -4 + 7 = 3
m = 3

Simplifying
m = 3

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