2(n-40)=20

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Solution for 2(n-40)=20 equation: 


Simplifying
2(n + -40) = 20

Reorder the terms:
2(-40 + n) = 20
(-40 * 2 + n * 2) = 20
(-80 + 2n) = 20

Solving
-80 + 2n = 20

Solving for variable 'n'.

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

Add '80' to each side of the equation.
-80 + 80 + 2n = 20 + 80

Combine like terms: -80 + 80 = 0
0 + 2n = 20 + 80
2n = 20 + 80

Combine like terms: 20 + 80 = 100
2n = 100

Divide each side by '2'.
n = 50

Simplifying
n = 50

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