Estimate the value of 'x' and 'y' — task. Mathematics State Board, Class 9.

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Solve for x and y: 4\(x+\)4\(y = -\)8 and 10\(x+\)14\(y = -\)4 by cross multiplication method.

The solution is \(x =\) and \(y =\) .

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7. Estimate the value of 'x' and 'y'