3m+7=5m+9

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Solution for 3m+7=5m+9 equation:


Simplifying
3m + 7 = 5m + 9

Reorder the terms:
7 + 3m = 5m + 9

Reorder the terms:
7 + 3m = 9 + 5m

Solving
7 + 3m = 9 + 5m

Solving for variable 'm'.

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

Add '-5m' to each side of the equation.
7 + 3m + -5m = 9 + 5m + -5m

Combine like terms: 3m + -5m = -2m
7 + -2m = 9 + 5m + -5m

Combine like terms: 5m + -5m = 0
7 + -2m = 9 + 0
7 + -2m = 9

Add '-7' to each side of the equation.
7 + -7 + -2m = 9 + -7

Combine like terms: 7 + -7 = 0
0 + -2m = 9 + -7
-2m = 9 + -7

Combine like terms: 9 + -7 = 2
-2m = 2

Divide each side by '-2'.
m = -1

Simplifying
m = -1

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