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If 15x + 4y=13 and 4x +15y=14, find the value of (x-y). |
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Answer» ONG>Answer: 15x+4y = 13)4 4x+15y = 14)15 60x+16y = 52 60x+225y = 210 -209 y = -158 y = 158/209 |
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