x + 4 2/5 = 7 4/5

Answer 1

hello, that would equal 3 2/5 because if you start with x + 4 2/5 = 7 4/5 you would need to put it like this (7 – 4) + (4/5 -2/5) then you subtract 7 - 4 which would equal 3 so then you add 4/5 which would be 3.8, so 3.8 - 2/5 which is 3.4