5x+2 (3x-7) =8。

1 1x - 14 =8

x =2

y = 3x-7 = - 1

So x = 2 and y =-1.

(2) Because x+5y=6, x= 6-5y.

Bring x= 6-5y into 3x-6y-4=0.

Then 3 (6-5y) -6y-4=0.

18-2 1y-4=0

y= 2/3

x= 6-5y = 8/3

So x= 8/3 and y= 2/3.