9n-20=-12+n

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Solution for 9n-20=-12+n equation:


Simplifying
9n + -20 = -12 + n

Reorder the terms:
-20 + 9n = -12 + n

Solving
-20 + 9n = -12 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-20 + 9n + -1n = -12 + n + -1n

Combine like terms: 9n + -1n = 8n
-20 + 8n = -12 + n + -1n

Combine like terms: n + -1n = 0
-20 + 8n = -12 + 0
-20 + 8n = -12

Add '20' to each side of the equation.
-20 + 20 + 8n = -12 + 20

Combine like terms: -20 + 20 = 0
0 + 8n = -12 + 20
8n = -12 + 20

Combine like terms: -12 + 20 = 8
8n = 8

Divide each side by '8'.
n = 1

Simplifying
n = 1

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