8z-12=9z-17

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Solution for 8z-12=9z-17 equation:


Simplifying
8z + -12 = 9z + -17

Reorder the terms:
-12 + 8z = 9z + -17

Reorder the terms:
-12 + 8z = -17 + 9z

Solving
-12 + 8z = -17 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
-12 + 8z + -9z = -17 + 9z + -9z

Combine like terms: 8z + -9z = -1z
-12 + -1z = -17 + 9z + -9z

Combine like terms: 9z + -9z = 0
-12 + -1z = -17 + 0
-12 + -1z = -17

Add '12' to each side of the equation.
-12 + 12 + -1z = -17 + 12

Combine like terms: -12 + 12 = 0
0 + -1z = -17 + 12
-1z = -17 + 12

Combine like terms: -17 + 12 = -5
-1z = -5

Divide each side by '-1'.
z = 5

Simplifying
z = 5

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