2(n-20)=-2

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Solution for 2(n-20)=-2 equation: 


Simplifying
2(n + -20) = -2

Reorder the terms:
2(-20 + n) = -2
(-20 * 2 + n * 2) = -2
(-40 + 2n) = -2

Solving
-40 + 2n = -2

Solving for variable 'n'.

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

Add '40' to each side of the equation.
-40 + 40 + 2n = -2 + 40

Combine like terms: -40 + 40 = 0
0 + 2n = -2 + 40
2n = -2 + 40

Combine like terms: -2 + 40 = 38
2n = 38

Divide each side by '2'.
n = 19

Simplifying
n = 19

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