42-m=22

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Solution for 42-m=22 equation:


Simplifying
42 + -1m = 22

Solving
42 + -1m = 22

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 + -1m = 22 + -42

Combine like terms: 42 + -42 = 0
0 + -1m = 22 + -42
-1m = 22 + -42

Combine like terms: 22 + -42 = -20
-1m = -20

Divide each side by '-1'.
m = 20

Simplifying
m = 20

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