3n+3=-12-2n

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


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

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

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

Combine like terms: 3n + 2n = 5n
3 + 5n = -12 + -2n + 2n

Combine like terms: -2n + 2n = 0
3 + 5n = -12 + 0
3 + 5n = -12

Add '-3' to each side of the equation.
3 + -3 + 5n = -12 + -3

Combine like terms: 3 + -3 = 0
0 + 5n = -12 + -3
5n = -12 + -3

Combine like terms: -12 + -3 = -15
5n = -15

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

Simplifying
n = -3

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