You want to isolate x. To accomplish this, add 1.4 to both sides of your eqn.:
x = 7.82 + 1.4 = 9.22 (answer)
All the points if they lay on top of eachother
if they arent on top of eachother, they can intersect at 2 points
Answer:
12.99 or 13 rounded
Step-by-step explanation:
99.99/(.13)=12.9987