Answer:

Step-by-step explanation:
Solving for the variable
, given that :

We can first start start by subtracting
from both sides of the equation:

Now, we can divide both sides of the equation by the coefficient of
, which would be
:

Applying the fraction rule
:

Then, apply the fraction rule 
15 km
12+3=15 in total if the school is the meeting point of these two distances.
x = -17/2 or -8 1/2
That should be the correct answer
Answer:
x<18
Step-by-step explanation:
bc since x is being divided by 18 you mutiply by 18