3n+3=2n+12

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


Simplifying
3n + 3 = 2n + 12

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

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 = 1n
3 + 1n = 12 + 2n + -2n

Combine like terms: 2n + -2n = 0
3 + 1n = 12 + 0
3 + 1n = 12

Add '-3' to each side of the equation.
3 + -3 + 1n = 12 + -3

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

Combine like terms: 12 + -3 = 9
1n = 9

Divide each side by '1'.
n = 9

Simplifying
n = 9

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