Question

Last question anybody can help??

Answer 1

Solve:

y = 2x+5

x+y=8

x-x+y=8-x

y = -x + 8

Now:

y = 2x+5

y = -x+8

SUBSTITUTE

-x+8=2x+5 add x on both sides 8 -5 =3x+5 -5

3 = 3x
x= 1
Now for y :

Substitute:

y=2(1)+5

y=7

SOLUTION: )1,7)