How do you solve #2/(7d+16)=7/9#?

1 Answer
Sep 10, 2016

# d = -94/49 = -1 45/49#

Explanation:

When you have an equation which has only ONE fraction on each side, you can get rid of the fractions by cross-multiplying.

#2/(7d+16) = 7/9#

#7(7d+16) = 2xx 9#

#49d +112 = 18#

#49d = 18-112 = -94#

#d = -94/49#

#d = -1 45/49#