Answer:
12x
Step-by-step explanation:
Start with the given equation:
1) 3x+y/2x =15/2 we can simplify 15/2 to 7.5.
2) 3x+y/2x = 7.5 now, we can multiply 2x in both sides of the equation.
3) 3x+y= 15x we need to subtract 3x from both sides to isolate y.
4) y= 12x
Hope this helped!