11m-9-4m=21

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Solution for 11m-9-4m=21 equation:


Simplifying
11m + -9 + -4m = 21

Reorder the terms:
-9 + 11m + -4m = 21

Combine like terms: 11m + -4m = 7m
-9 + 7m = 21

Solving
-9 + 7m = 21

Solving for variable 'm'.

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

Add '9' to each side of the equation.
-9 + 9 + 7m = 21 + 9

Combine like terms: -9 + 9 = 0
0 + 7m = 21 + 9
7m = 21 + 9

Combine like terms: 21 + 9 = 30
7m = 30

Divide each side by '7'.
m = 4.285714286

Simplifying
m = 4.285714286

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