Solve for z
z>9
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-7-10z>20-13z
Subtract 8 from 1 to get -7.
-7-10z+13z>20
Add 13z to both sides.
-7+3z>20
Combine -10z and 13z to get 3z.
3z>20+7
Add 7 to both sides.
3z>27
Add 20 and 7 to get 27.
z>\frac{27}{3}
Divide both sides by 3. Since 3 is positive, the inequality direction remains the same.
z>9
Divide 27 by 3 to get 9.
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Limits
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