jxhxbxbs
jxhxbxbs
25-02-2019
Mathematics
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3x+2y=12 and 6x +3y=21
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nastya1902k
nastya1902k
25-02-2019
3x+2y=12 |•2
6x+3y=21
6x+4y=24
6x+3y=21
0x+y=3
y=3; x=2
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