2(n+-1)=42

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Solution for 2(n+-1)=42 equation: 


Simplifying
2(n + -1) = 42

Reorder the terms:
2(-1 + n) = 42
(-1 * 2 + n * 2) = 42
(-2 + 2n) = 42

Solving
-2 + 2n = 42

Solving for variable 'n'.

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

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

Combine like terms: -2 + 2 = 0
0 + 2n = 42 + 2
2n = 42 + 2

Combine like terms: 42 + 2 = 44
2n = 44

Divide each side by '2'.
n = 22

Simplifying
n = 22

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