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2x+1. 5y-3. --------- +. -------. =12 7. 3 3x+2. 4y+3 -------- - ---------- =13 2. 9 |
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Answer» 2x+1. 5y-3. --------- +. -------. =12 7. 3 3x+2. 4y+3 -------- - ---------- =13 2. 9 |
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