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X+2y=3si 0.2x-3.5y=4 sistem dau 10 puncte

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[tex] \left \{ {{x+2y=3} \atop {0,2x-3,5y=4}} \right. \\ \left \{ {{x+2y=3} \atop {x-17,5y=20}} \right. \\ 19,5y=-17 \\ y=- \frac{17}{19,5};x=3+ \frac{34}{19,5} [/tex]

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