2(z-1)=8

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Solution for 2(z-1)=8 equation: 


Simplifying
2(z + -1) = 8

Reorder the terms:
2(-1 + z) = 8
(-1 * 2 + z * 2) = 8
(-2 + 2z) = 8

Solving
-2 + 2z = 8

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 = 8 + 2

Combine like terms: -2 + 2 = 0
0 + 2z = 8 + 2
2z = 8 + 2

Combine like terms: 8 + 2 = 10
2z = 10

Divide each side by '2'.
z = 5

Simplifying
z = 5

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