12-2n=9n+45

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Solution for 12-2n=9n+45 equation:


Simplifying
12 + -2n = 9n + 45

Reorder the terms:
12 + -2n = 45 + 9n

Solving
12 + -2n = 45 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
12 + -2n + -9n = 45 + 9n + -9n

Combine like terms: -2n + -9n = -11n
12 + -11n = 45 + 9n + -9n

Combine like terms: 9n + -9n = 0
12 + -11n = 45 + 0
12 + -11n = 45

Add '-12' to each side of the equation.
12 + -12 + -11n = 45 + -12

Combine like terms: 12 + -12 = 0
0 + -11n = 45 + -12
-11n = 45 + -12

Combine like terms: 45 + -12 = 33
-11n = 33

Divide each side by '-11'.
n = -3

Simplifying
n = -3

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