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(1)/(2(3x+4y))=(1)/(5(2x-3y))=(1)/(4),...

`(1)/(2(3x+4y))=(1)/(5(2x-3y))=(1)/(4),`

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`:.` The solution of given simultaneous equations is (2,1)`
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CHETAN PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES -Problem Set - 1
  1. (148)/(x)+(231)/(y)=(527)/(xy),(231)/(x)+(148)/(y)=(610)/(xy)

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  2. Solve the following system of equations: (7x-2y)/(x y)=5,\ \ \ (8x+...

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  3. (1)/(2(3x+4y))=(1)/(5(2x-3y))=(1)/(4),

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  4. A two digit number and the number with digits interchanged add up to 1...

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  5. Kantabai bought 1(1)/(2) kg tea and 5 kg sugar from a shop. She paid...

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  6. Places A and B are 30 km apart and they are on a straight road. Humid ...

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  7. To find number of notes that Anushka had complete the following activi...

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  8. Sum of the present ages of Manish and Savita is 31 . Manish's age 3 ye...

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  9. In a factory the ratio of salary of skilled and unskilled workers is ...

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  10. For drawing the graph of 4x+5y=19, if x=1, what is the value of y?

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  11. For simultaneous equations in x and y, if D(x)=25, D(y)=50 and D=5, th...

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  12. Find the value of |{:(" "5," "3),(-7,-4):}|

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  13. To solve x+y=3,3x-2y-4=0 by determinant method find D

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  14. ax+by=c and mx+ny=d. If an ne bm, then these simultaneous equations ha...

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  15. The general form of linear equation in two variables is ........

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  16. Solve the following simultaneous linear equations in two variables by ...

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  17. Find the value of x + y, if 12x+13y=29 and 13x+12y=21

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  18. Express the following in following in the mathematical form using x an...

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  19. Find the value of D(x), for solving the simultaneous equations 3x+4y=8...

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  20. ........ Is the solutions of given simultaneous equations x-y=7,x+y=1...

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