Find the number such that when 3/4 of it is added to 3 1/2 the sum is the same as when 2/3 of it is subtracted from 6 1/2.

1 answer

what's the trouble? Just write all that as math:

(3/4)x + 3 1/2 = 6 1/2 - (2/3)x

Now just solve for x.