5m-21=-57+9m

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Solution for 5m-21=-57+9m equation:


Simplifying
5m + -21 = -57 + 9m

Reorder the terms:
-21 + 5m = -57 + 9m

Solving
-21 + 5m = -57 + 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
-21 + 5m + -9m = -57 + 9m + -9m

Combine like terms: 5m + -9m = -4m
-21 + -4m = -57 + 9m + -9m

Combine like terms: 9m + -9m = 0
-21 + -4m = -57 + 0
-21 + -4m = -57

Add '21' to each side of the equation.
-21 + 21 + -4m = -57 + 21

Combine like terms: -21 + 21 = 0
0 + -4m = -57 + 21
-4m = -57 + 21

Combine like terms: -57 + 21 = -36
-4m = -36

Divide each side by '-4'.
m = 9

Simplifying
m = 9

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