8n+9=-7

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Solution for 8n+9=-7 equation: 


Simplifying
8n + 9 = -7

Reorder the terms:
9 + 8n = -7

Solving
9 + 8n = -7

Solving for variable 'n'.

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

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

Combine like terms: 9 + -9 = 0
0 + 8n = -7 + -9
8n = -7 + -9

Combine like terms: -7 + -9 = -16
8n = -16

Divide each side by '8'.
n = -2

Simplifying
n = -2

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