Solve for z
z=8
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8z-9=55
Combine 2z and 6z to get 8z.
8z=55+9
Add 9 to both sides.
8z=64
Add 55 and 9 to get 64.
z=\frac{64}{8}
Divide both sides by 8.
z=8
Divide 64 by 8 to get 8.
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