3n+18=30

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Solution for 3n+18=30 equation: 


Simplifying
3n + 18 = 30

Reorder the terms:
18 + 3n = 30

Solving
18 + 3n = 30

Solving for variable 'n'.

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

Add '-18' to each side of the equation.
18 + -18 + 3n = 30 + -18

Combine like terms: 18 + -18 = 0
0 + 3n = 30 + -18
3n = 30 + -18

Combine like terms: 30 + -18 = 12
3n = 12

Divide each side by '3'.
n = 4

Simplifying
n = 4

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