123-m=7

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Solution for 123-m=7 equation: 


Simplifying
123 + -1m = 7

Solving
123 + -1m = 7

Solving for variable 'm'.

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

Add '-123' to each side of the equation.
123 + -123 + -1m = 7 + -123

Combine like terms: 123 + -123 = 0
0 + -1m = 7 + -123
-1m = 7 + -123

Combine like terms: 7 + -123 = -116
-1m = -116

Divide each side by '-1'.
m = 116

Simplifying
m = 116

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