12z-18=30

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Solution for 12z-18=30 equation: 


Simplifying
12z + -18 = 30

Reorder the terms:
-18 + 12z = 30

Solving
-18 + 12z = 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 + 12z = 30 + 18

Combine like terms: -18 + 18 = 0
0 + 12z = 30 + 18
12z = 30 + 18

Combine like terms: 30 + 18 = 48
12z = 48

Divide each side by '12'.
z = 4

Simplifying
z = 4

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