For the answer to the question above,
Multiply equation (1) by 2 and equation (2) by 3 
6x+4y=16 
6x+9y=6 
subtract 
-5y = 10 
y=-2 
plug this y into equation (1) 
3x+2(-2) = 8 
3x-4=8 
3x=12 
x=4
I hope my answer helped you. Feel free to ask more questions. Have a nice day!