2n+12=3n+31

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Solution for 2n+12=3n+31 equation:


Simplifying
2n + 12 = 3n + 31

Reorder the terms:
12 + 2n = 3n + 31

Reorder the terms:
12 + 2n = 31 + 3n

Solving
12 + 2n = 31 + 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 = 31 + 3n + -3n

Combine like terms: 2n + -3n = -1n
12 + -1n = 31 + 3n + -3n

Combine like terms: 3n + -3n = 0
12 + -1n = 31 + 0
12 + -1n = 31

Add '-12' to each side of the equation.
12 + -12 + -1n = 31 + -12

Combine like terms: 12 + -12 = 0
0 + -1n = 31 + -12
-1n = 31 + -12

Combine like terms: 31 + -12 = 19
-1n = 19

Divide each side by '-1'.
n = -19

Simplifying
n = -19

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