Question

5/6 d = -15? I don't understand

Answer 1

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$\frac{5}{6} d = - 15$
First you have to simplify 5/6d to 5d/6 as shown below
$\frac{5}{6} d = \frac{5d}{6}$
Then multiple both sides by 6 because you are trying to solve for d
$5d = - 15 \times 6$
Multiply -15 and 6 to get -90
$5d = - 90$
Divide -90 by 5
$d = \frac{ - 90}{5}$
$d = - 18$
Then if you check it, it will give you -15 as your answer
$\frac{5}{6} \times - 18 = - 15$
$\frac{5 \times - 18}{6} = - 15$
$\frac{ - 90}{6} = - 15$
$- 15 = - 15$