I really need help to answer this question, I've been working on this question for a while now ;( 10(2.2-b)=15.2
\(10(2.2-b)=15.2\)
divide both sides by 10
\(2.2-b=1.52\)
subtract 2.2 from both sides
\(-b = -0.68\)
multiply both sides by -1
\(b=0.68\)
