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3x-y=39x-3y=9by substitution method |
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Answer» y=(-4) and X=(-1/3).please mark me brainliest Step-by-step explanation: 3x=3+y putting the VALUE of x in EQ 2 3×9(3+y)-3y=9 3×27+9y-3y=9 27+6y=3 6y=3-27 6y=(-24) y=(-4) putting the value of y in eq 1 3x+4=3 3x=3-4 3x=(-1) x=(-1/3) |
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