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Cartesian Plane

Find the poin...

Question

Find the point on 3x - y = 7 whose abscissa is -2

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Solution

Put x = -2 in the equation 3x - y = 7

(3x-2) – y = 7

-6 – y = 7

y = -6 – 7 = -13

The required point is (-2, -13)

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