Solve for z
z=-3
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2z-1-5z=8
Subtract 5z from both sides.
-3z-1=8
Combine 2z and -5z to get -3z.
-3z=8+1
Add 1 to both sides.
-3z=9
Add 8 and 1 to get 9.
z=\frac{9}{-3}
Divide both sides by -3.
z=-3
Divide 9 by -3 to get -3.
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