9+2n-5=7n+9-4n

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Solution for 9+2n-5=7n+9-4n equation:


Simplifying
9 + 2n + -5 = 7n + 9 + -4n

Reorder the terms:
9 + -5 + 2n = 7n + 9 + -4n

Combine like terms: 9 + -5 = 4
4 + 2n = 7n + 9 + -4n

Reorder the terms:
4 + 2n = 9 + 7n + -4n

Combine like terms: 7n + -4n = 3n
4 + 2n = 9 + 3n

Solving
4 + 2n = 9 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
4 + 2n + -3n = 9 + 3n + -3n

Combine like terms: 2n + -3n = -1n
4 + -1n = 9 + 3n + -3n

Combine like terms: 3n + -3n = 0
4 + -1n = 9 + 0
4 + -1n = 9

Add '-4' to each side of the equation.
4 + -4 + -1n = 9 + -4

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

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

Divide each side by '-1'.
n = -5

Simplifying
n = -5

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