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3x+4y=7 2x+y=-2elimnation |
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Answer» 3x+4y=7 ---------(1) 2x+y=-2 ----------(2) By MULTIPLYING 4 in EQUN. (2) 4(2x+y=-2) 8x+4y=-8 ---------(3) By substracting equn. (1) from equn (3) 8x+4y=-2 -3x-4y=-7 _________ 5x. =-9 x=-9/5 |
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