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Question

(viii) 3y − 2x = 9; 2x + 5y = 15

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Solution

3y-2x=9y=9+2x3 .....(i) 2x+5y=15 ....(ii)Substituting eq (i) in eq (ii), we get: 2x+5×9+2x3 =156x+45+10x=4516x=0x=0Substituting x=0 in eq (i), we get : y=9+2×03y=3Hence, x=0, y=3 is the solution of the given equations.

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