What values of a and b would make the equation shown have infinitely many solutions Solve in detail

Answer:
3x-ax=b
x(3-a)=b
x=b/(3-a)
a should be equal 3 and subsequently b=0
Step-by-step explanation:
a=3, b=0
Answer:
C
Step-by-step explanation:
3x = ax + b
C. a = 3, b= 0
3x = 3x + 0
x = x