2-2(9-2n)=72

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Solution for 2-2(9-2n)=72 equation:


Simplifying
2 + -2(9 + -2n) = 72
2 + (9 * -2 + -2n * -2) = 72
2 + (-18 + 4n) = 72

Combine like terms: 2 + -18 = -16
-16 + 4n = 72

Solving
-16 + 4n = 72

Solving for variable 'n'.

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

Add '16' to each side of the equation.
-16 + 16 + 4n = 72 + 16

Combine like terms: -16 + 16 = 0
0 + 4n = 72 + 16
4n = 72 + 16

Combine like terms: 72 + 16 = 88
4n = 88

Divide each side by '4'.
n = 22

Simplifying
n = 22

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