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Find the value of k if x = 2, y = 1 is a...

Find the value of k if x = 2, y = 1 is a solution of the equation 2x + 3y = k.

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MODERN PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. If the point (a,2) lies on the graph of the equations 2x=3y-8, find th...

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  2. Write equations of three lines which pass through (0,0)

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  3. Find the value of k if x = 2, y = 1 is a solution of the equation 2x +...

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  4. Write three solutions of x=0.

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  5. For equation 6x-5y=8, verify that (3,2) is a solution.

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  6. Find two solutions of 3x+4y=12.

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  7. Find the point, where the graph of the line 4x+3y=12 cuts the x-axis.

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  8. find the point, where the graph of the line 4x+3y=12 cuts the y-axis.

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  9. How many linear equatins in x and y can be satisfied by x=2, y=3?

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  10. Find four different solutions of the equation x + 2y = 6.

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  11. Draw the graph of the linear equations x+y=9

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  12. Give the geometric representation of y=4 as equations in one variable.

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  13. Give the geometric representation of y=4 as and equations in two varia...

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  14. Give the geometric representation of 2x + 9 = 0 as an equation in one ...

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  15. Give the geometric representation of 2x + 9 = 0 as an equation in two ...

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  16. Write whether the following statement is True or False ? Justify your ...

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  17. The graph of x=-2 passes through (2,-2)

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  18. The number of solutions of 2x+7=x+3 on the number line is infinite.

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  19. 1/x+1/y=2 is a linear equation in two variables?

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  20. The graphs of two equations x=-2 and y=3 are parallel to each other.

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