9+2n-3=7n+15-4n

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Solution for 9+2n-3=7n+15-4n equation:


Simplifying
9 + 2n + -3 = 7n + 15 + -4n

Reorder the terms:
9 + -3 + 2n = 7n + 15 + -4n

Combine like terms: 9 + -3 = 6
6 + 2n = 7n + 15 + -4n

Reorder the terms:
6 + 2n = 15 + 7n + -4n

Combine like terms: 7n + -4n = 3n
6 + 2n = 15 + 3n

Solving
6 + 2n = 15 + 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.
6 + 2n + -3n = 15 + 3n + -3n

Combine like terms: 2n + -3n = -1n
6 + -1n = 15 + 3n + -3n

Combine like terms: 3n + -3n = 0
6 + -1n = 15 + 0
6 + -1n = 15

Add '-6' to each side of the equation.
6 + -6 + -1n = 15 + -6

Combine like terms: 6 + -6 = 0
0 + -1n = 15 + -6
-1n = 15 + -6

Combine like terms: 15 + -6 = 9
-1n = 9

Divide each side by '-1'.
n = -9

Simplifying
n = -9

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