Question

1.5d+3=-4.5 what does D =

Answer 1

Answer: d= -5

Explanation:

`1.5d+3=-4.5`

Subtract 3 from both sides to isolate 1.5d

`1.5d+3-3=-4.5-3`

`1.5d=-7.5`

Now divide by 1.5 to completely isolate d

`(1.5d)/(1.5)=(-7.5)/(1.5)`

`d=-5`