To solve this equation you can plug in these numbers into the equations, so for example you can that the equation a-3b=9 and the points are (-9,-6). you would then insert the numbers so you would have the equation (-9)-3(-6)=9. simplify -9+18=9 and there you have it, the answer is (-9,-6)
Subtract original amount from new amount:
84 - 39 = 45
He bought 45 books.
Answer:
50
Step-by-step explanation:
add 5 to -25 to get -2/5x by itself.
It would be 14 for the perimeter
Answer:45
Step-by-step explanation:
