2n+12=3n-15

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


Simplifying
2n + 12 = 3n + -15

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

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

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

Combine like terms: 2n + -3n = -1n
12 + -1n = -15 + 3n + -3n

Combine like terms: 3n + -3n = 0
12 + -1n = -15 + 0
12 + -1n = -15

Add '-12' to each side of the equation.
12 + -12 + -1n = -15 + -12

Combine like terms: 12 + -12 = 0
0 + -1n = -15 + -12
-1n = -15 + -12

Combine like terms: -15 + -12 = -27
-1n = -27

Divide each side by '-1'.
n = 27

Simplifying
n = 27

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