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

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


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

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

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

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

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

Solving
4 + 2n = 7 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
4 + 2n + -5n = 7 + 5n + -5n

Combine like terms: 2n + -5n = -3n
4 + -3n = 7 + 5n + -5n

Combine like terms: 5n + -5n = 0
4 + -3n = 7 + 0
4 + -3n = 7

Add '-4' to each side of the equation.
4 + -4 + -3n = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -3n = 7 + -4
-3n = 7 + -4

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

Divide each side by '-3'.
n = -1

Simplifying
n = -1

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