9z-5-z=55

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Solution for 9z-5-z=55 equation:


Simplifying
9z + -5 + -1z = 55

Reorder the terms:
-5 + 9z + -1z = 55

Combine like terms: 9z + -1z = 8z
-5 + 8z = 55

Solving
-5 + 8z = 55

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + 8z = 55 + 5

Combine like terms: -5 + 5 = 0
0 + 8z = 55 + 5
8z = 55 + 5

Combine like terms: 55 + 5 = 60
8z = 60

Divide each side by '8'.
z = 7.5

Simplifying
z = 7.5

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