-7n+8n=-9+4n

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Solution for -7n+8n=-9+4n equation: 


Simplifying
-7n + 8n = -9 + 4n

Combine like terms: -7n + 8n = 1n
1n = -9 + 4n

Solving
1n = -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.
1n + -4n = -9 + 4n + -4n

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

Combine like terms: 4n + -4n = 0
-3n = -9 + 0
-3n = -9

Divide each side by '-3'.
n = 3

Simplifying
n = 3

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