12=-2n-3-3n

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


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

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

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

Solving
12 = -3 + -5n

Solving for variable 'n'.

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

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

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

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

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

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

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

Simplifying
n = -3

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