Question

slove the following using substitution method 2x+8y=33,x+7y=13

Answer 1

x+7y=13
x=13-7y. ......(1)
Now,
2x+8y=33
2(13-7y)+8y=33. (from 1)
26-14y+8y=33
-6y=7
y= -7/6
put value of y in (1)
x=127/6..

Answer 2

hope it helps you X=127/6 y=7/6