4n+12=2n+30

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Solution for 4n+12=2n+30 equation:


Simplifying
4n + 12 = 2n + 30

Reorder the terms:
12 + 4n = 2n + 30

Reorder the terms:
12 + 4n = 30 + 2n

Solving
12 + 4n = 30 + 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 + 4n + -2n = 30 + 2n + -2n

Combine like terms: 4n + -2n = 2n
12 + 2n = 30 + 2n + -2n

Combine like terms: 2n + -2n = 0
12 + 2n = 30 + 0
12 + 2n = 30

Add '-12' to each side of the equation.
12 + -12 + 2n = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 2n = 30 + -12
2n = 30 + -12

Combine like terms: 30 + -12 = 18
2n = 18

Divide each side by '2'.
n = 9

Simplifying
n = 9

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