18+c=30

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Solution for 18+c=30 equation: 


Simplifying
18 + c = 30

Solving
18 + c = 30

Solving for variable 'c'.

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

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

Combine like terms: 18 + -18 = 0
0 + c = 30 + -18
c = 30 + -18

Combine like terms: 30 + -18 = 12
c = 12

Simplifying
c = 12

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