Question

X
-3
-1
1
3
f(x) = -x + 7
f(x)
8
2323
20
6
Determine the input that would give an output value of
W/N!
2
X=
=-3x+7

Answer 1

Answer: 19

Step-by-step explanation:

Multiplying both sides of the equation by $-3$ gives that $x=19$.