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X+y=82x-y=7 solve by elimination method |
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Answer» Step-by-step EXPLANATION: x+y=8 2x-y=7 2x+2y=16 2x-y=7 3y=9 y=9/3 y=3 x+y=8 (y=3) x+3=8 x=8-3 x=5 x=5 y=3 |
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