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## Answers

and second is a/a+b = 5/7

7a = 5(a + b)

or 2a - 5b = 0 ----- (2)

therefore, subtracting 1 and 2 we will get a = 5 and b = 2

and (a-b) = (5-2) =

**3 Ans.**

3a-5b=5

2a-5b=0 by solving a/a+b=5/7

by elimination method

a=5 and b=5

a-b=5-2=3

2a-5b=0 by solving a/a+b=5/7

by elimination method

a=5 and b=5

a-b=5-2=3