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If x=a and y= b is solution for the pair...

If x=a and y= b is solution for the pair of equations x-y=2 and x+y=4, then find the values of a and b.

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The correct Answer is:
a=3, b=1
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VGS PUBLICATION-BRILLIANT-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-OBSERVATION MATERIAL
  1. Show that the pair of linear equations 7x+y=10 and x+7y=10 are consist...

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  2. Write the condition for the pair of linear equations in two variables ...

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  3. If x=a and y= b is solution for the pair of equations x-y=2 and x+y=4,...

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  4. The larger of two supplementary angles exceeds the smaller by 58^@, th...

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  5. Solve the following equations by substitution method. (i) 2x-7y=3 ...

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  6. 10 students of Class-X took part in a mathematics quiz. If the number ...

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  7. Sove the following pair of linear equations by substitution method. 2x...

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  8. Given the linear equations 3x+4y=11, write linear equations in two var...

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  9. Solve the given pair of linear equations by elimination method. 2x+y-5...

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  10. Solve the following equations graphically. (1)/(3)x+(1)/(2)y=1 , 2x-(1...

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  11. Solve the given pair of linear equations by elimination method. 2x+y-5...

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  12. Draw the graphs of the following equations 3x-y-2=0 and 2x+y-8=0 on th...

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  13. S.T the equation 2x^2-13xy-7y^2+x+23y-6=0 represents a pair of straigh...

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  14. Find the area of the triangle formed by the lines y=x,y=2x,y=3x+4

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  15. Draw the graph for the following pair of linear equation in two variab...

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  16. Draw the graph for the equations 2x-y-4=0 and x+y+1=0 on the graph pap...

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  17. Draw the graph of 2x+y=6 and 2x-y+2=0 and find the solution from the g...

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  18. Show that the following pair of equations are consistent and solve the...

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  19. Find the solution of x+2y=10 and 2x+4y=8 graphically.

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  20. Solve the following pair of linear equations graphically. 2x+y=4 and 2...

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