Q: left parenthesis, 2 "a" , 6 "a" , right parenthesis2a,6a
Label:
2
Expression 3: "a" equals 2.1 6 7a=2.167
negative 5−5
55
3
Expression 4: "y" equals StartFraction, 6 "a" minus 1 Over 2 "a" minus 1 , EndFraction left parenthesis, "x" minus 1 , right parenthesis plus 1y=6a−12a−1x−1+1