a.4x=3y+6 we found the x that x=+3/4+3/2 Then we substitute x=+3/4+3/2 to the second equation (7x+3y=27)and we do the calculations to find y 7(3/4+3/2)+3y=27 21/4y+21/2+3y=27 21y+42+12y=108 33y=66 Y=2 We substitute y (2) to the first equation 4x-3y=6 to find x 4x -3(2)=6 4x=12 X=3
