-3n+12=9-2n

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Solution for -3n+12=9-2n equation:


Simplifying
-3n + 12 = 9 + -2n

Reorder the terms:
12 + -3n = 9 + -2n

Solving
12 + -3n = 9 + -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.
12 + -3n + 2n = 9 + -2n + 2n

Combine like terms: -3n + 2n = -1n
12 + -1n = 9 + -2n + 2n

Combine like terms: -2n + 2n = 0
12 + -1n = 9 + 0
12 + -1n = 9

Add '-12' to each side of the equation.
12 + -12 + -1n = 9 + -12

Combine like terms: 12 + -12 = 0
0 + -1n = 9 + -12
-1n = 9 + -12

Combine like terms: 9 + -12 = -3
-1n = -3

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

Simplifying
n = 3

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