2Z-2Z+Z+2=20

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Solution for 2Z-2Z+Z+2=20 equation: 


Simplifying
2Z + -2Z + Z + 2 = 20

Reorder the terms:
2 + 2Z + -2Z + Z = 20

Combine like terms: 2Z + -2Z = 0
2 + 0 + Z = 20
2 + Z = 20

Solving
2 + Z = 20

Solving for variable 'Z'.

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

Add '-2' to each side of the equation.
2 + -2 + Z = 20 + -2

Combine like terms: 2 + -2 = 0
0 + Z = 20 + -2
Z = 20 + -2

Combine like terms: 20 + -2 = 18
Z = 18

Simplifying
Z = 18

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