4m-21+5m=51

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Solution for 4m-21+5m=51 equation:


Simplifying
4m + -21 + 5m = 51

Reorder the terms:
-21 + 4m + 5m = 51

Combine like terms: 4m + 5m = 9m
-21 + 9m = 51

Solving
-21 + 9m = 51

Solving for variable 'm'.

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

Add '21' to each side of the equation.
-21 + 21 + 9m = 51 + 21

Combine like terms: -21 + 21 = 0
0 + 9m = 51 + 21
9m = 51 + 21

Combine like terms: 51 + 21 = 72
9m = 72

Divide each side by '9'.
m = 8

Simplifying
m = 8

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