z-1=2

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Solution for z-1=2 equation: 


Simplifying
z + -1 = 2

Reorder the terms:
-1 + z = 2

Solving
-1 + z = 2

Solving for variable 'z'.

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

Add '1' to each side of the equation.
-1 + 1 + z = 2 + 1

Combine like terms: -1 + 1 = 0
0 + z = 2 + 1
z = 2 + 1

Combine like terms: 2 + 1 = 3
z = 3

Simplifying
z = 3

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