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x+3y=7,2x+y=-1...

`x+3y=7,2x+y=-1`

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The correct Answer is:
`x=-2,y=3`
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CHETAN PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES -Problems for practice (Based on practice Set 1 . 2) Solve the following simultaneous equations using Graphical method:
  1. (1)/(3)x+(1)/(4)y=4,(5)/(6)x-(1)/(8)y=4

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  2. 64m-45n=289;45m-64n=365

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  3. x+y=8,x-y=2

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  4. 3x+4y=-5,x-y=-4

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  5. x+3y=7,2x+y=-1

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