2(n-9)=-78

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Solution for 2(n-9)=-78 equation: 


Simplifying
2(n + -9) = -78

Reorder the terms:
2(-9 + n) = -78
(-9 * 2 + n * 2) = -78
(-18 + 2n) = -78

Solving
-18 + 2n = -78

Solving for variable 'n'.

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

Add '18' to each side of the equation.
-18 + 18 + 2n = -78 + 18

Combine like terms: -18 + 18 = 0
0 + 2n = -78 + 18
2n = -78 + 18

Combine like terms: -78 + 18 = -60
2n = -60

Divide each side by '2'.
n = -30

Simplifying
n = -30

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