Z+1+9=12

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Solution for Z+1+9=12 equation: 


Simplifying
Z + 1 + 9 = 12

Reorder the terms:
1 + 9 + Z = 12

Combine like terms: 1 + 9 = 10
10 + Z = 12

Solving
10 + Z = 12

Solving for variable 'Z'.

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

Add '-10' to each side of the equation.
10 + -10 + Z = 12 + -10

Combine like terms: 10 + -10 = 0
0 + Z = 12 + -10
Z = 12 + -10

Combine like terms: 12 + -10 = 2
Z = 2

Simplifying
Z = 2

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