Answer:
c
Step-by-step explanation:
c
Answer:
-2x
Step-by-step explanation:
4x-6x=-2x. You need to combine like terms or subtract 6 from 4 which is -2 the you add then put the x back in
No these envelopes aren’t similar. If you add up the sides they both don’t equal the same. Making them non congruent.
I think the answer would be D.
