Question

What expressions are equivalent to q+p+q+p+q

options:
2p+3q
2(p+q)+q
None of the above

Answer 1

you can resolve all of them.
so the first one would be 3q+2p
that second 2p+3q
the third 2p+2q+q which equals 2p+3q

they all end up as the same thing so both are equivalent