Solve for z
z = \frac{11}{2} = 5\frac{1}{2} = 5.5
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4z=13+9
Add 9 to both sides.
4z=22
Add 13 and 9 to get 22.
z=\frac{22}{4}
Divide both sides by 4.
z=\frac{11}{2}
Reduce the fraction \frac{22}{4} to lowest terms by extracting and canceling out 2.
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