-7n=-8n-9

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Solution for -7n=-8n-9 equation: 


Simplifying
-7n = -8n + -9

Reorder the terms:
-7n = -9 + -8n

Solving
-7n = -9 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
-7n + 8n = -9 + -8n + 8n

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

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

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

Simplifying
n = -9

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