Answer :

Answer: x is -1.5  y is 6

Step-by-step explanation: So the problem is 2x+3y=15 but we know y=6 so we'll change it to 2x+3*6=15 then 3*6 is 18 so 2x+18=15 then you subtract 18 from 15 so you'd have 2x=-3 then -3/2 is -1.5 so x=1.5