12n+3=9n-15

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Solution for 12n+3=9n-15 equation:


Simplifying
12n + 3 = 9n + -15

Reorder the terms:
3 + 12n = 9n + -15

Reorder the terms:
3 + 12n = -15 + 9n

Solving
3 + 12n = -15 + 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.
3 + 12n + -9n = -15 + 9n + -9n

Combine like terms: 12n + -9n = 3n
3 + 3n = -15 + 9n + -9n

Combine like terms: 9n + -9n = 0
3 + 3n = -15 + 0
3 + 3n = -15

Add '-3' to each side of the equation.
3 + -3 + 3n = -15 + -3

Combine like terms: 3 + -3 = 0
0 + 3n = -15 + -3
3n = -15 + -3

Combine like terms: -15 + -3 = -18
3n = -18

Divide each side by '3'.
n = -6

Simplifying
n = -6

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