Question 1018199
Q1:
b for ben now
c for carol now
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Translating the description exactly,
{{{system(b=3c,b+2=c+2)}}}


More likely, your description must be rewritten, "in two years, Ben will be the same age as Carol is NOW", and the system may then be:
{{{system(b=3c,b+2=c)}}}
which would seem to be more sensible to solve.