3x+5x=3-1
8x=2
X=8/2
X=4
equation 2into minus 3 into equation 1
8x+ 3y= -28
-3x-3y=18
5x=10
x =2
put value of y in equation 2
8 into 2+3y=-28
16+3y= -28
3y= -28+16
3y= -12
y= -4