12+4n=4+(n+3)

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Solution for 12+4n=4+(n+3) equation:


Simplifying
12 + 4n = 4 + (n + 3)

Reorder the terms:
12 + 4n = 4 + (3 + n)

Remove parenthesis around (3 + n)
12 + 4n = 4 + 3 + n

Combine like terms: 4 + 3 = 7
12 + 4n = 7 + n

Solving
12 + 4n = 7 + n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-1n' to each side of the equation.
12 + 4n + -1n = 7 + n + -1n

Combine like terms: 4n + -1n = 3n
12 + 3n = 7 + n + -1n

Combine like terms: n + -1n = 0
12 + 3n = 7 + 0
12 + 3n = 7

Add '-12' to each side of the equation.
12 + -12 + 3n = 7 + -12

Combine like terms: 12 + -12 = 0
0 + 3n = 7 + -12
3n = 7 + -12

Combine like terms: 7 + -12 = -5
3n = -5

Divide each side by '3'.
n = -1.666666667

Simplifying
n = -1.666666667

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