9+3n-4=8n+9-4n

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Solution for 9+3n-4=8n+9-4n equation:


Simplifying
9 + 3n + -4 = 8n + 9 + -4n

Reorder the terms:
9 + -4 + 3n = 8n + 9 + -4n

Combine like terms: 9 + -4 = 5
5 + 3n = 8n + 9 + -4n

Reorder the terms:
5 + 3n = 9 + 8n + -4n

Combine like terms: 8n + -4n = 4n
5 + 3n = 9 + 4n

Solving
5 + 3n = 9 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
5 + 3n + -4n = 9 + 4n + -4n

Combine like terms: 3n + -4n = -1n
5 + -1n = 9 + 4n + -4n

Combine like terms: 4n + -4n = 0
5 + -1n = 9 + 0
5 + -1n = 9

Add '-5' to each side of the equation.
5 + -5 + -1n = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -1n = 9 + -5
-1n = 9 + -5

Combine like terms: 9 + -5 = 4
-1n = 4

Divide each side by '-1'.
n = -4

Simplifying
n = -4

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