How do you solve #13 = 8-5d#?

1 Answer
Fabio
Mar 17, 2018

#d=-1#

Explanation:

First subtract 8 from both sides of the equation
#13-8=8-5d-8#

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

Now we get the #d# alone on one side of the equation by dividing #-5# on both sides of the equation

#5/(-5)=(-5d)/-5#

This gives us
#-1=d#

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