m-9+4m=m+31

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Solution for m-9+4m=m+31 equation:


Simplifying
m + -9 + 4m = m + 31

Reorder the terms:
-9 + m + 4m = m + 31

Combine like terms: m + 4m = 5m
-9 + 5m = m + 31

Reorder the terms:
-9 + 5m = 31 + m

Solving
-9 + 5m = 31 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
-9 + 5m + -1m = 31 + m + -1m

Combine like terms: 5m + -1m = 4m
-9 + 4m = 31 + m + -1m

Combine like terms: m + -1m = 0
-9 + 4m = 31 + 0
-9 + 4m = 31

Add '9' to each side of the equation.
-9 + 9 + 4m = 31 + 9

Combine like terms: -9 + 9 = 0
0 + 4m = 31 + 9
4m = 31 + 9

Combine like terms: 31 + 9 = 40
4m = 40

Divide each side by '4'.
m = 10

Simplifying
m = 10

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