12+18=n

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Solution for 12+18=n equation:


Simplifying
12 + 18 = n

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

Solving
30 = 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 = n + -1n

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

Add '-30' to each side of the equation.
30 + -30 + -1n = 0 + -30

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

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

Divide each side by '-1'.
n = 30

Simplifying
n = 30

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