9-7n=n+15

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Solution for 9-7n=n+15 equation:


Simplifying
9 + -7n = n + 15

Reorder the terms:
9 + -7n = 15 + n

Solving
9 + -7n = 15 + 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.
9 + -7n + -1n = 15 + n + -1n

Combine like terms: -7n + -1n = -8n
9 + -8n = 15 + n + -1n

Combine like terms: n + -1n = 0
9 + -8n = 15 + 0
9 + -8n = 15

Add '-9' to each side of the equation.
9 + -9 + -8n = 15 + -9

Combine like terms: 9 + -9 = 0
0 + -8n = 15 + -9
-8n = 15 + -9

Combine like terms: 15 + -9 = 6
-8n = 6

Divide each side by '-8'.
n = -0.75

Simplifying
n = -0.75

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