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Addition and Subtraction of Algebraic Equations

If the point ...

Question

If the point (2, −2) lies on the graph of the linear equation 5x + ky = 4, find the value of k.

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Solution

It is given that the point lies on the given equation,

Clearly, the given point is the solution of the given equation.

Now,

Substituting in the given equation, we get

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If the point (2, -2) lies on the graph of the linear equation 5x + ky = 4, find the value of k.

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Q. Find the value of k for which the point (1, −2) lies on the graph of the linear equation x − 2y + k = 0.

Q. If the point

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