Question

Solve by substitute
{2x-3y=8
{x+y=11
Please help

Answer 1

so x= 11-y

now plug that into the first equation: 2(11-y) -3y = 8

now solve that

Answer 2

once you get the answer for that it will be y = ...

and then you plug that answer back into the second equation : x = 11 -y

so it will be x = 11 - ...

Answer 3

I get a fraction?

Answer 4

14/5

Answer 5

very good now plug it in

Answer 6

Then i get x=41/5

Answer 7

yes. so then you have x and y

Answer 8

So whats y?

Answer 9

we found it before...14/5