-9=n+8n

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Solution for -9=n+8n equation:


Simplifying
-9 = n + 8n

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

Solving
-9 = 9n

Solving for variable 'n'.

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

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

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

Add '9' to each side of the equation.
-9 + 9 + -9n = 0 + 9

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

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

Divide each side by '-9'.
n = -1

Simplifying
n = -1

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