31-m=91

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Solution for 31-m=91 equation: 


Simplifying
31 + -1m = 91

Solving
31 + -1m = 91

Solving for variable 'm'.

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

Add '-31' to each side of the equation.
31 + -31 + -1m = 91 + -31

Combine like terms: 31 + -31 = 0
0 + -1m = 91 + -31
-1m = 91 + -31

Combine like terms: 91 + -31 = 60
-1m = 60

Divide each side by '-1'.
m = -60

Simplifying
m = -60

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