How do you solve #2q - 3= 9#?

Question

927 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-07-22T18:50:05

#q=6#

#2q-3=9#

#2q=9+3#

#2q=12#

#q=12/2#

#q=6#

Answer 2 · 2018-07-22T20:07:46

#a=6#

We want to isolate #q#, so let's add #3# to both sides to get rid of the #-3#. We now have

#2a=12#

Lastly, we can divide both sides by #2#, or multiply both sides by the reciprocal (#1/2#) to get

#a=6#

Hope this helps!