Answer:
it's not possible
Explanation:
we need to make
even
and
also even
but we can't
in the first one
is even no matter what value of x
so to an even you add and odd you get?
odd
so we cannot make 2x+7 even
nor 4x-3
because
4x=2(2x)
and to an even substract an odd you get?
odd
so you cannot make both sides even