Answer:
x = 19
Step-by-step explanation:
The work shown is almost complete. It can be finished by multiplying both sides of the equation by the inverse of the coefficient of x.
x-coefficient: -1/3
inverse of x-coefficient = 1/(-1/3) = -3
Then you have ...

Answer:
look at the picture above please
Answer:
Probability that the randomly selected two students both have no loans to pay = 0.09
Step-by-step explanation:
Probability that a student has a loan to pay is 0.7, hence probability that a student has no loan to pay is
1-0.7 = 0.3
Probability that the randomly selected two students both have no loans to pay = 0.3 × 0.3 = 0.09