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Question
Solve :
x+ y = 7xy
2x - 3y = - xy
Solution
x + y = 7xy ...(1)
2x - 3 = - xy ...(2)
Multiplying equation no. (1) by 3.
3x + 3y = 21xy ....(3)
Adding equation (3) and (2)
3x + 3y = 21xy
+ 2x - 3y = - xy
5x = 20xy
y = `1/4`
From (1)
x + `1/4 = 7 x (1/4)`
`1/4 = 3/4x`
x = `1/3`
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