7m-9+m=40

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Solution for 7m-9+m=40 equation: 


Simplifying
7m + -9 + m = 40

Reorder the terms:
-9 + 7m + m = 40

Combine like terms: 7m + m = 8m
-9 + 8m = 40

Solving
-9 + 8m = 40

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 + 8m = 40 + 9

Combine like terms: -9 + 9 = 0
0 + 8m = 40 + 9
8m = 40 + 9

Combine like terms: 40 + 9 = 49
8m = 49

Divide each side by '8'.
m = 6.125

Simplifying
m = 6.125

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