9+12n-5=7n+18-2n

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Solution for 9+12n-5=7n+18-2n equation:


Simplifying
9 + 12n + -5 = 7n + 18 + -2n

Reorder the terms:
9 + -5 + 12n = 7n + 18 + -2n

Combine like terms: 9 + -5 = 4
4 + 12n = 7n + 18 + -2n

Reorder the terms:
4 + 12n = 18 + 7n + -2n

Combine like terms: 7n + -2n = 5n
4 + 12n = 18 + 5n

Solving
4 + 12n = 18 + 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 + 12n + -5n = 18 + 5n + -5n

Combine like terms: 12n + -5n = 7n
4 + 7n = 18 + 5n + -5n

Combine like terms: 5n + -5n = 0
4 + 7n = 18 + 0
4 + 7n = 18

Add '-4' to each side of the equation.
4 + -4 + 7n = 18 + -4

Combine like terms: 4 + -4 = 0
0 + 7n = 18 + -4
7n = 18 + -4

Combine like terms: 18 + -4 = 14
7n = 14

Divide each side by '7'.
n = 2

Simplifying
n = 2

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