4n-12+3n+18=20

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Solution for 4n-12+3n+18=20 equation:


Simplifying
4n + -12 + 3n + 18 = 20

Reorder the terms:
-12 + 18 + 4n + 3n = 20

Combine like terms: -12 + 18 = 6
6 + 4n + 3n = 20

Combine like terms: 4n + 3n = 7n
6 + 7n = 20

Solving
6 + 7n = 20

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 7n = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 7n = 20 + -6
7n = 20 + -6

Combine like terms: 20 + -6 = 14
7n = 14

Divide each side by '7'.
n = 2

Simplifying
n = 2

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