2m-4=123

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Solution for 2m-4=123 equation: 


Simplifying
2m + -4 = 123

Reorder the terms:
-4 + 2m = 123

Solving
-4 + 2m = 123

Solving for variable 'm'.

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

Add '4' to each side of the equation.
-4 + 4 + 2m = 123 + 4

Combine like terms: -4 + 4 = 0
0 + 2m = 123 + 4
2m = 123 + 4

Combine like terms: 123 + 4 = 127
2m = 127

Divide each side by '2'.
m = 63.5

Simplifying
m = 63.5

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