5m-9=4m+12

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Solution for 5m-9=4m+12 equation:


Simplifying
5m + -9 = 4m + 12

Reorder the terms:
-9 + 5m = 4m + 12

Reorder the terms:
-9 + 5m = 12 + 4m

Solving
-9 + 5m = 12 + 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.
-9 + 5m + -4m = 12 + 4m + -4m

Combine like terms: 5m + -4m = 1m
-9 + 1m = 12 + 4m + -4m

Combine like terms: 4m + -4m = 0
-9 + 1m = 12 + 0
-9 + 1m = 12

Add '9' to each side of the equation.
-9 + 9 + 1m = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 1m = 12 + 9
1m = 12 + 9

Combine like terms: 12 + 9 = 21
1m = 21

Divide each side by '1'.
m = 21

Simplifying
m = 21

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