4n-8-n=9n+7

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


Simplifying
4n + -8 + -1n = 9n + 7

Reorder the terms:
-8 + 4n + -1n = 9n + 7

Combine like terms: 4n + -1n = 3n
-8 + 3n = 9n + 7

Reorder the terms:
-8 + 3n = 7 + 9n

Solving
-8 + 3n = 7 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-8 + 3n + -9n = 7 + 9n + -9n

Combine like terms: 3n + -9n = -6n
-8 + -6n = 7 + 9n + -9n

Combine like terms: 9n + -9n = 0
-8 + -6n = 7 + 0
-8 + -6n = 7

Add '8' to each side of the equation.
-8 + 8 + -6n = 7 + 8

Combine like terms: -8 + 8 = 0
0 + -6n = 7 + 8
-6n = 7 + 8

Combine like terms: 7 + 8 = 15
-6n = 15

Divide each side by '-6'.
n = -2.5

Simplifying
n = -2.5

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