Z-12=30

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Solution for Z-12=30 equation: 


Simplifying
Z + -12 = 30

Reorder the terms:
-12 + Z = 30

Solving
-12 + Z = 30

Solving for variable 'Z'.

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

Add '12' to each side of the equation.
-12 + 12 + Z = 30 + 12

Combine like terms: -12 + 12 = 0
0 + Z = 30 + 12
Z = 30 + 12

Combine like terms: 30 + 12 = 42
Z = 42

Simplifying
Z = 42

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