2z-2=-1

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Solution for 2z-2=-1 equation: 


Simplifying
2z + -2 = -1

Reorder the terms:
-2 + 2z = -1

Solving
-2 + 2z = -1

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 + 2z = -1 + 2

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

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

Divide each side by '2'.
z = 0.5

Simplifying
z = 0.5

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