Help me plz me if there is someone smart out there plz help do 2,3,4,5 I did 1 but 2,3,4,5 it is hard for me, please.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

4+(2+x) can you me solve this problem