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Show that x=2,\ \ y=1 is not a solution ...

Show that `x=2,\ \ y=1` is not a solution of the system of simultaneous linear equations: `2x+7y=11 ;\ \ \ x-3y=5`

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RD SHARMA ENGLISH-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-All Questions
  1. A and B each have a certain number of mangoes. A says to B, “if you ...

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  2. Show that x=2,\ \ y=1 is a solution of the system of simultaneous l...

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  3. Show that x=2,\ \ y=1 is not a solution of the system of simultaneo...

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  4. Show that x=2,\ \ y=1 and x=4,\ \ y=4 are solutions of the system o...

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  5. The coach of a cricket team buys 3 bats and 6 balls for Rs 3900. La...

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  6. Romila went to a stationery shop and purchased 2 pencils and 3 eras...

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  7. The path of a train A is given by the equation x+2y-4=0 and the pat...

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  8. Akhila went to a fair in her village. She wanted to enjoy rides on ...

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  9. Aftab tells his daughter, “Seven years ago, I was seven times as ol...

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  10. The path of a train A is given by the equation 3x+4y-12=0 and the p...

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  11. Gloria is walking along the path joining (-2,\ 3) and (2,\ -2) whil...

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  12. On comparing the ratios (a1)/(a2),(b1)/(b2) and (c1)/(c2) , and with...

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  13. Given the linear equation 2x+3y-8=0 , write another linear equat...

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  14. The cost of 2kg of apples and 1 kg of grapes on a day was found to ...

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  15. Use a single graph paper and draw the graph of the following equati...

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  16. Draw the graphs of the following equations on the same graph paper:...

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  17. Solve the following system of equations graphically: x+y=3;\ \ \ 2x...

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  18. Solve the following system of equations graphically: x-2y=5;\ \ \ 2...

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  19. Solve the following system of equations graphically: 3x+y+1=0;\ \ \...

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  20. Solve the following system of equations graphically: 2x+y-3=0;\ \ \...

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