The answer is x=5 You would first want to multiply everything by -1 because you want to get rid of the 2y. -1(3x+2y)=15 4x+2y=2 Then after that you would get -3x-2y=-15 4x+2y=20 The 2y’s cancel out because -2+2=0 Next you would subtract When you do that you will get x=5 Hope this helps!
