30=12-3n+3

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Solution for 30=12-3n+3 equation:


Simplifying
30 = 12 + -3n + 3

Reorder the terms:
30 = 12 + 3 + -3n

Combine like terms: 12 + 3 = 15
30 = 15 + -3n

Solving
30 = 15 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
30 + 3n = 15 + -3n + 3n

Combine like terms: -3n + 3n = 0
30 + 3n = 15 + 0
30 + 3n = 15

Add '-30' to each side of the equation.
30 + -30 + 3n = 15 + -30

Combine like terms: 30 + -30 = 0
0 + 3n = 15 + -30
3n = 15 + -30

Combine like terms: 15 + -30 = -15
3n = -15

Divide each side by '3'.
n = -5

Simplifying
n = -5

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