30=n+18

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Solution for 30=n+18 equation:


Simplifying
30 = n + 18

Reorder the terms:
30 = 18 + n

Solving
30 = 18 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
30 + -1n = 18 + n + -1n

Combine like terms: n + -1n = 0
30 + -1n = 18 + 0
30 + -1n = 18

Add '-30' to each side of the equation.
30 + -30 + -1n = 18 + -30

Combine like terms: 30 + -30 = 0
0 + -1n = 18 + -30
-1n = 18 + -30

Combine like terms: 18 + -30 = -12
-1n = -12

Divide each side by '-1'.
n = 12

Simplifying
n = 12

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