n+12=2n+4

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Solution for n+12=2n+4 equation:


Simplifying
n + 12 = 2n + 4

Reorder the terms:
12 + n = 2n + 4

Reorder the terms:
12 + n = 4 + 2n

Solving
12 + n = 4 + 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.
12 + n + -2n = 4 + 2n + -2n

Combine like terms: n + -2n = -1n
12 + -1n = 4 + 2n + -2n

Combine like terms: 2n + -2n = 0
12 + -1n = 4 + 0
12 + -1n = 4

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

Combine like terms: 12 + -12 = 0
0 + -1n = 4 + -12
-1n = 4 + -12

Combine like terms: 4 + -12 = -8
-1n = -8

Divide each side by '-1'.
n = 8

Simplifying
n = 8

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