Answer:
7mn
Step-by-step explanation:
that is what they have in common so 7mn (5n and 3)
<em>hope this helps. i am in algebra two so you can trust my answer.. if you need more help lmk in the comments. happy holidays</em>
Answer:
0
Step-by-step explanation:
x + y = 3
y = 3
=> x + 3 = 3
=> x = 3 - 3
=> x = 0