1.

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

Answer» 2x+1. 5y-3.
--------- +. -------. =12
7. 3


3x+2. 4y+3
-------- - ---------- =13
2. 9


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