42-2m=4

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Solution for 42-2m=4 equation: 


Simplifying
42 + -2m = 4

Solving
42 + -2m = 4

Solving for variable 'm'.

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

Add '-42' to each side of the equation.
42 + -42 + -2m = 4 + -42

Combine like terms: 42 + -42 = 0
0 + -2m = 4 + -42
-2m = 4 + -42

Combine like terms: 4 + -42 = -38
-2m = -38

Divide each side by '-2'.
m = 19

Simplifying
m = 19

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