Dattaprabhakar G. answered • 07/12/14

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The key is cross-multiplication.

The first two lines give (1) 7x=5y and (2) 3(x + 4) = 2(3y - 2). Now you can solve these equations by usual methods.

Similarly, the third line gives (1) 3(x+1) = 2(x+3) and, say, 6(x+1) = 2(x+y+4) (you may use the second and the third term too.)

D.V. G.

Dattaprabhakar G.

07/12/14