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Elimination Method of Finding Solution of a Pair of Linear Equations

Solve each of...

Question

Solve each of the following systems of equations by the method of cross-multiplication :

$(a - b) x + (a + b) y = 2 a^{2} - 2 b^{2} (a + b) (x + y) = 4 a b$

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Solution

GIVEN:

To find: The solution of the systems of equation by the method of cross-multiplication:

Here we have the pair of simultaneous equation

By cross multiplication method we get

Consider the following for x

Now consider the following for y

Hence we get the value of and

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Similar questions

Q. Solve the following systems of equations by the method of cross-multiplication:

(a - b) x + (a + b) y = 2 a^{2} - 2 b^{2}

(a + b) (x + y) = 4 a b

Solve the equation by substitution method :

(a+b)x + (a+b)y = 2a² -2b²

(a+b) (x + y) = 4ab

Q. Solve each of the following systems of equations by the method of cross-multiplication :

x (a - b + \frac{a b}{a - b}) = y (a + b - \frac{a b}{a + b}) x + y = 2 a^{2}

Q. Solve by cross-multiplication method :

(a - b) x + (a + b) y = 2 (a^{2} - b^{2})

,

(a + b) x - (a - b) y = 4 a b

Q. Solve the pair of linear equations by using cross multiplication method
(iii)

(a - b) x + (a + b) y = 2 a^{2} - 2 a b^{2}, (a + b) (x + y) = 4 a b

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Elimination Method of Finding Solution of a Pair of Linear Equations

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