Question

Use the Substitution Method to solve the following system of equations.
4x + y = 11
x + 2y = 8

(3, 2)

(2, 3)

(-2, -3)

(-2, 3)

Answer 1

x=-2y+8
4(-2y+8)+y=11
-8y+32=11
-8y=-20
y=2.5

Answer 2

I made a mistake,
-8y+32+y=11
-7y=-21
y=3

Answer 3

Now that we have y, x will be easy to find

Answer 4

Thanks i got it, its 2,3 :)!

Answer 5

Yay :D