Answer:
4 is the number
Step-by-step explanation:
(17-x)(-2)=-26
-34+2x=-26
2x=-26+34
2x=8
x=8/2
=4
d.x=-8 and x=-10
f(5) = 9
Do this by substitution:
f(x) = 4x - 11
f(5) = 4(5) - 11
f(5) = 20 - 11
Not rlly sure, might be x=4/5y??? i dont know
