Answer :
13.7b-3=3-4.3b
add the 3 to both sides 13.7b=6-4.3b
add 4.3b to both sides 18b=6
divide both sides by 18 so b=0.75
add the 3 to both sides 13.7b=6-4.3b
add 4.3b to both sides 18b=6
divide both sides by 18 so b=0.75
