Answer:
d=3.5
Step-by-step explanation:
First, you need to find out what the three times d is equal to.
[tex]15-4.5=10.5[/tex]
Now, just divide that by three to find the answer.
[tex]\frac{10.5}{3} =3.5[/tex]
That means that d is equal to 3.5
Hope I helped, have a great one! Please mark brainliest!
