-7x + 2x (add common factors)
-5x+6+21 (what happen to one side happens to the others
-5x=21 (divide by five)
x= -3
Answer:
true pls mark as brainliest
Step-by-step explanation:
Answer:

Step-by-step explanation:

Hello! Your answer was 19! There is no possible way for me to show you how to work this out using base ten blocks! Hopefully you can work it out in your head next time! :)
Since the 1/4 of each pizza left :
Which means that :
Pizza 1 = 1/4 pizza Left
Pizza 2 = 1/4 pizza Left
i think there is no error in what's ben saying