Answer:
3y-4= 17
Step-by-step explanation:
First, we have to find the value of y from 2y - 6 = 8.
Adding 6 to both sides gives


dividing both sides by 2 gives


With the value of y in hand, we can now evaluate 3y - 4.
Putting in y = 7 into 3y - 4 gives

Hence,
