The letters 'y', 'm', 'x' plus 'b' in mathematics mean a specific number in an algebraic equation. The objective is to work out what the values of the letters are.
In DOS and Windows, the letters "A" and "B" are generally reserved for diskettes; letters for hard disks start with "C".
Floppy drives are identified by drive letters A and B. To change between them, simply enter CD A: or CD B:
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Florda
4b.
b
4b
b+b+b+c+c+c+c =3b+4c
b + b + b + c + c + c + c = 3b + 4c
a+b+c+d+e = 30 (i) c+e = 14 (ii) d+b = 1 (iii) a = 2b-1 (iv) a+c = 10 (v) By (i)-(ii)-(iii): a = 15 then, by (iv): b = 8 and by (v): c = -5 Also, b = 8 so by (iii): d = -7 and then by (i), e = 19
a-b+a-b+2b+a = 4a
3b