Z-100=21

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Solution for Z-100=21 equation: 


Simplifying
Z + -100 = 21

Reorder the terms:
-100 + Z = 21

Solving
-100 + Z = 21

Solving for variable 'Z'.

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

Add '100' to each side of the equation.
-100 + 100 + Z = 21 + 100

Combine like terms: -100 + 100 = 0
0 + Z = 21 + 100
Z = 21 + 100

Combine like terms: 21 + 100 = 121
Z = 121

Simplifying
Z = 121

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