-3+12-4n=

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Solution for -3+12-4n= equation: 


Simplifying
-3 + 12 + -4n = 0

Combine like terms: -3 + 12 = 9
9 + -4n = 0

Solving
9 + -4n = 0

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + -4n = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -4n = 0 + -9
-4n = 0 + -9

Combine like terms: 0 + -9 = -9
-4n = -9

Divide each side by '-4'.
n = 2.25

Simplifying
n = 2.25

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