n+3n+4=20

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Solution for n+3n+4=20 equation: 


Simplifying
n + 3n + 4 = 20

Reorder the terms:
4 + n + 3n = 20

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

Solving
4 + 4n = 20

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + 4n = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 4n = 20 + -4
4n = 20 + -4

Combine like terms: 20 + -4 = 16
4n = 16

Divide each side by '4'.
n = 4

Simplifying
n = 4

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