n+3n-6=30

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Solution for n+3n-6=30 equation: 


Simplifying
n + 3n + -6 = 30

Reorder the terms:
-6 + n + 3n = 30

Combine like terms: n + 3n = 4n
-6 + 4n = 30

Solving
-6 + 4n = 30

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 + 4n = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 4n = 30 + 6
4n = 30 + 6

Combine like terms: 30 + 6 = 36
4n = 36

Divide each side by '4'.
n = 9

Simplifying
n = 9

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