8z-15-3z=15

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Solution for 8z-15-3z=15 equation:


Simplifying
8z + -15 + -3z = 15

Reorder the terms:
-15 + 8z + -3z = 15

Combine like terms: 8z + -3z = 5z
-15 + 5z = 15

Solving
-15 + 5z = 15

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 + 5z = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 5z = 15 + 15
5z = 15 + 15

Combine like terms: 15 + 15 = 30
5z = 30

Divide each side by '5'.
z = 6

Simplifying
z = 6

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