Z+20=4

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Solution for Z+20=4 equation: 


Simplifying
Z + 20 = 4

Reorder the terms:
20 + Z = 4

Solving
20 + Z = 4

Solving for variable 'Z'.

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

Add '-20' to each side of the equation.
20 + -20 + Z = 4 + -20

Combine like terms: 20 + -20 = 0
0 + Z = 4 + -20
Z = 4 + -20

Combine like terms: 4 + -20 = -16
Z = -16

Simplifying
Z = -16

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