3m+15=4m+9

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Solution for 3m+15=4m+9 equation:


Simplifying
3m + 15 = 4m + 9

Reorder the terms:
15 + 3m = 4m + 9

Reorder the terms:
15 + 3m = 9 + 4m

Solving
15 + 3m = 9 + 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
15 + 3m + -4m = 9 + 4m + -4m

Combine like terms: 3m + -4m = -1m
15 + -1m = 9 + 4m + -4m

Combine like terms: 4m + -4m = 0
15 + -1m = 9 + 0
15 + -1m = 9

Add '-15' to each side of the equation.
15 + -15 + -1m = 9 + -15

Combine like terms: 15 + -15 = 0
0 + -1m = 9 + -15
-1m = 9 + -15

Combine like terms: 9 + -15 = -6
-1m = -6

Divide each side by '-1'.
m = 6

Simplifying
m = 6

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