12+4n=3n+15

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Solution for 12+4n=3n+15 equation:


Simplifying
12 + 4n = 3n + 15

Reorder the terms:
12 + 4n = 15 + 3n

Solving
12 + 4n = 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 + 4n + -3n = 15 + 3n + -3n

Combine like terms: 4n + -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 = 3
1n = 3

Divide each side by '1'.
n = 3

Simplifying
n = 3

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