STEPS:
[tex]3a-5.5=9.7[/tex]
change the sign of -5.5 to 5.5 and add them on both sides
it will be [tex]3a=15.2[/tex]
divide 3 both sides
it will be [tex]5.066[/tex] reapting decimal
[tex]5.1[/tex] round 5.6666667 into any decimal place you want tenths, thousands ..yea
this is my answer
