Solve for d
d = \frac{39}{4} = 9\frac{3}{4} = 9.75
Assign d
d≔\frac{39}{4}
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d=\frac{36+3}{4}
Multiply 9 and 4 to get 36.
d=\frac{39}{4}
Add 36 and 3 to get 39.
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