9+3n-3n=5n+12-3n

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Solution for 9+3n-3n=5n+12-3n equation:


Simplifying
9 + 3n + -3n = 5n + 12 + -3n

Combine like terms: 3n + -3n = 0
9 + 0 = 5n + 12 + -3n
9 = 5n + 12 + -3n

Reorder the terms:
9 = 12 + 5n + -3n

Combine like terms: 5n + -3n = 2n
9 = 12 + 2n

Solving
9 = 12 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
9 + -2n = 12 + 2n + -2n

Combine like terms: 2n + -2n = 0
9 + -2n = 12 + 0
9 + -2n = 12

Add '-9' to each side of the equation.
9 + -9 + -2n = 12 + -9

Combine like terms: 9 + -9 = 0
0 + -2n = 12 + -9
-2n = 12 + -9

Combine like terms: 12 + -9 = 3
-2n = 3

Divide each side by '-2'.
n = -1.5

Simplifying
n = -1.5

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