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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

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Q: A plus b plus c plus d plus e equals 30 where c plus e equals 14 and d equals b plus 1 and a equals 2b-1 and a plus c equals 10 find values of letters?

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