Substitution
-2x+8=x^2-9x+18
x^2-7x+10=0
Factoring, we get
(x-5)(x-2)=0
x=5, x=2
If x equals 5,
y=-2(5)+8=
-10+8=
-2
Therefore, we derive our first solution:
x=5,
y=-2
Now we solve for our second x
If x=2,
y=-4+8=
4
Therefore, we derive our second solution:
x=2
y=4
-Hunter
