18+z=30

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Solution for 18+z=30 equation: 


Simplifying
18 + z = 30

Solving
18 + z = 30

Solving for variable 'z'.

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

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

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

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

Simplifying
z = 12

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