3n+12=-2n+15

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Solution for 3n+12=-2n+15 equation:


Simplifying
3n + 12 = -2n + 15

Reorder the terms:
12 + 3n = -2n + 15

Reorder the terms:
12 + 3n = 15 + -2n

Solving
12 + 3n = 15 + -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.
12 + 3n + 2n = 15 + -2n + 2n

Combine like terms: 3n + 2n = 5n
12 + 5n = 15 + -2n + 2n

Combine like terms: -2n + 2n = 0
12 + 5n = 15 + 0
12 + 5n = 15

Add '-12' to each side of the equation.
12 + -12 + 5n = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 5n = 15 + -12
5n = 15 + -12

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

Divide each side by '5'.
n = 0.6

Simplifying
n = 0.6

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