How do you solve 13 = 8-5d13=85d?

1 Answer
Mar 17, 2018

d=-1d=1

Explanation:

First subtract 8 from both sides of the equation
13-8=8-5d-8138=85d8

Combining like terms gives us
5=-5d5=5d

Now we get the dd alone on one side of the equation by dividing -55 on both sides of the equation

5/(-5)=(-5d)/-555=5d5

This gives us
-1=d1=d