10m+12-9-7n+4n=31

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Solution for 10m+12-9-7n+4n=31 equation:


Simplifying
10m + 12 + -9 + -7n + 4n = 31

Reorder the terms:
12 + -9 + 10m + -7n + 4n = 31

Combine like terms: 12 + -9 = 3
3 + 10m + -7n + 4n = 31

Combine like terms: -7n + 4n = -3n
3 + 10m + -3n = 31

Solving
3 + 10m + -3n = 31

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + 10m + -3 + -3n = 31 + -3

Reorder the terms:
3 + -3 + 10m + -3n = 31 + -3

Combine like terms: 3 + -3 = 0
0 + 10m + -3n = 31 + -3
10m + -3n = 31 + -3

Combine like terms: 31 + -3 = 28
10m + -3n = 28

Add '3n' to each side of the equation.
10m + -3n + 3n = 28 + 3n

Combine like terms: -3n + 3n = 0
10m + 0 = 28 + 3n
10m = 28 + 3n

Divide each side by '10'.
m = 2.8 + 0.3n

Simplifying
m = 2.8 + 0.3n

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