## Solve: 3/(x+y) + 2/(x-y) = 2 and 9/(x+y) – 4/(x-y) = 1

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This question is taken from linear equations in two variables in which we have been asked to find the value of 3/(x+y) + 2/(x-y) = 2 and 9/(x+y) – 4/(x-y) = 1 RS Aggarwal, Class 10, chapter 3F, question no 21

## Find k for which the system x+2y=3 and 5x+ky+7=0 is inconsistent.

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This question is taken from linear equations in two variables in which we have given two equations x+2y=3 and 5x+ky+7=0 and we have to prove that the given equations are inconsistent. Kindly solve the above equations by using the properties of ...

## Show that the system 2x+3y-1=0, 4x+6y-4=0 has no solution.

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One of the most important and conceptual question from linear equations in two variables in which we have given two equations 2x+3y-1=0, 4x+6y-4=0 and we have to solve these equations in such a way that it has no solution. RS Aggarwal, ...

## Find k for which the system 2x+3y-5=0, 4x+ky-10=0 has an infinite number of solution

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This is the basic and conceptual question from linear equations in two variables in which we have given two equations 2x+3y-5=0, 4x+ky-10=0 and we have to find the value of k for which the given equations have infinite number of ...

## Find k for which the system kx-y=2, 6x-2y=3 has a unique solution.

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One of the most important and exam oriented question from linear equations in two variables in which we have given two equations kx-y=2, 6x-2y=3 and we have to find the value of k for which the given equations have a ...

## Find the value of k for which the system 3x+5y=0, kx+10y=0 has a non zero solution.

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One of the most important and conceptual question from linear equations in two variables in which we have given two equations 3x+5y=0, kx+10y=0  and we need to calculate the value of k for which the given equations have a nonzero ...

## If 12x+17y=53, 17x+12y=63 then find the value of (x+y)

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This is the basic and conceptual question from linear equations in two variables in which we have given two equations 12x+17y=53, 17x+12y=63 and we have to find the value of (x+y) Kindly give me a detailed solution of this question RS Aggarwal, ...

## If x/4 + y/3 = 5/12 and x/2 + y = 1, then find the value of (x+y)

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This is the basic and exam oriented question from linear equations in two variables in which we have to find the value of (x+y) if x/4 + y/3 = 5/12 and x/2 + y = 1 Kindly solve the above equations RS ...

## If 2/x + 3/y = 9/xy and 4/x + 9/y = 21/xy, find the values of x and y.

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This is the basic and exam oriented question from linear equations in two variables in which we have given two equations 2/x + 3/y = 9/xy and 4/x + 9/y = 21/xy and we have to calculate x and y Kindly ...

## A man has some hens and cows. If the number of heads be 48 and the number of feet be 140, how many cows are there?

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This question is taken from linear equations in two variables in which we have to find the number of cows if man has some cows and hens and their number of heads is 48 and their number of feet is ...