Answer: The answer is 81.
1. find equation
general solutions are:

for P(0,-11)

⇒

for p(1,-13)

and

solve for a and b:

the total equation is now:

To find the x-intercept set y=0 and solve for x
X = -10
Explanation:
-1.1x + 8.1x + 38 = -32
Combine like terms : -1.1x + 8.1x
7x + 38 = -32
Subtract 38
7x = -70
Divide by 7
7x = -70/7
Answer:
x = -10