Hi,
Start with 6b-27=3(5b-2)
then add 27 to each side, 6b-27+27=15b-6+27
next simplify, 6b=15b+21
now subtract 15b from both sides, 6b-15b=15b+21-15b
simplify again, -9b=21
divide both sides by -9, -9b/-9 = 21/-9
answer: -7/3
Have a great day!
