-9=3n+7+5n

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Solution for -9=3n+7+5n equation:


Simplifying
-9 = 3n + 7 + 5n

Reorder the terms:
-9 = 7 + 3n + 5n

Combine like terms: 3n + 5n = 8n
-9 = 7 + 8n

Solving
-9 = 7 + 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.
-9 + -8n = 7 + 8n + -8n

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

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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