8z-1=-7

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Solution for 8z-1=-7 equation: 


Simplifying
8z + -1 = -7

Reorder the terms:
-1 + 8z = -7

Solving
-1 + 8z = -7

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 + 8z = -7 + 1

Combine like terms: -1 + 1 = 0
0 + 8z = -7 + 1
8z = -7 + 1

Combine like terms: -7 + 1 = -6
8z = -6

Divide each side by '8'.
z = -0.75

Simplifying
z = -0.75

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