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2X+3Y=44X-3Y=9 |
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Answer» 2x + 3y = 4 .....(1)4x - 3y = 9 .......(2) Eliminating y by adding (1) and (2)6x = 13x = 13/6 3y = 4 - 2x3y = 4 - 2 × 13/6 3y = 4 -13/33y = (12-13)/33y = -1/3y = -1/9 |
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