79-m=39

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Solution for 79-m=39 equation: 


Simplifying
79 + -1m = 39

Solving
79 + -1m = 39

Solving for variable 'm'.

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

Add '-79' to each side of the equation.
79 + -79 + -1m = 39 + -79

Combine like terms: 79 + -79 = 0
0 + -1m = 39 + -79
-1m = 39 + -79

Combine like terms: 39 + -79 = -40
-1m = -40

Divide each side by '-1'.
m = 40

Simplifying
m = 40

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