42+n=12

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Solution for 42+n=12 equation: 


Simplifying
42 + n = 12

Solving
42 + n = 12

Solving for variable 'n'.

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

Add '-42' to each side of the equation.
42 + -42 + n = 12 + -42

Combine like terms: 42 + -42 = 0
0 + n = 12 + -42
n = 12 + -42

Combine like terms: 12 + -42 = -30
n = -30

Simplifying
n = -30

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