8z-15=z

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Solution for 8z-15=z equation:


Simplifying
8z + -15 = z

Reorder the terms:
-15 + 8z = z

Solving
-15 + 8z = z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-15 + 8z + -1z = z + -1z

Combine like terms: 8z + -1z = 7z
-15 + 7z = z + -1z

Combine like terms: z + -1z = 0
-15 + 7z = 0

Add '15' to each side of the equation.
-15 + 15 + 7z = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 7z = 0 + 15
7z = 0 + 15

Combine like terms: 0 + 15 = 15
7z = 15

Divide each side by '7'.
z = 2.142857143

Simplifying
z = 2.142857143

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