3m+7=2m+9

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Solution for 3m+7=2m+9 equation:


Simplifying
3m + 7 = 2m + 9

Reorder the terms:
7 + 3m = 2m + 9

Reorder the terms:
7 + 3m = 9 + 2m

Solving
7 + 3m = 9 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
7 + 3m + -2m = 9 + 2m + -2m

Combine like terms: 3m + -2m = 1m
7 + 1m = 9 + 2m + -2m

Combine like terms: 2m + -2m = 0
7 + 1m = 9 + 0
7 + 1m = 9

Add '-7' to each side of the equation.
7 + -7 + 1m = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 1m = 9 + -7
1m = 9 + -7

Combine like terms: 9 + -7 = 2
1m = 2

Divide each side by '1'.
m = 2

Simplifying
m = 2

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