8z-15=57

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Solution for 8z-15=57 equation: 


Simplifying
8z + -15 = 57

Reorder the terms:
-15 + 8z = 57

Solving
-15 + 8z = 57

Solving for variable 'z'.

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

Add '15' to each side of the equation.
-15 + 15 + 8z = 57 + 15

Combine like terms: -15 + 15 = 0
0 + 8z = 57 + 15
8z = 57 + 15

Combine like terms: 57 + 15 = 72
8z = 72

Divide each side by '8'.
z = 9

Simplifying
z = 9

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