Solve for x.
-3x = -9

3

Step-by-step explanation:

divide both sides by -3

-9/-3=3

x = 3   i hope this helps!   :)

Step-by-step explanation:

given   -3x = -9

flip the negative signs to positive signs   3x = 9

divide both sides by 3   x = 3

answer   x = 3

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

a

step-by-step explanation: