Question

1.5d+3=-4.5 what does D =

Answer 1

Answer: d= -5

Step-by-step 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

$\frac{1.5d}{1.5}=\frac{-7.5}{1.5}$

$d=-5$