7n+9=8n+16

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Solution for 7n+9=8n+16 equation:


Simplifying
7n + 9 = 8n + 16

Reorder the terms:
9 + 7n = 8n + 16

Reorder the terms:
9 + 7n = 16 + 8n

Solving
9 + 7n = 16 + 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 + 7n + -8n = 16 + 8n + -8n

Combine like terms: 7n + -8n = -1n
9 + -1n = 16 + 8n + -8n

Combine like terms: 8n + -8n = 0
9 + -1n = 16 + 0
9 + -1n = 16

Add '-9' to each side of the equation.
9 + -9 + -1n = 16 + -9

Combine like terms: 9 + -9 = 0
0 + -1n = 16 + -9
-1n = 16 + -9

Combine like terms: 16 + -9 = 7
-1n = 7

Divide each side by '-1'.
n = -7

Simplifying
n = -7

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