zapisz w najprostrzej postaci
2(5x-7y)-(3y-7x)=
2(5x-7y)-(3y-7x)=10x-14y-3y+7x=17x-17y=17(x-y)
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2(5x-7y)-(3y-7x)=10x-14y-3y+7x=17x-17y=17(x-y)
2(5x-7y)-(3y-7x)=10x-14y-3y+7x=17x-17y=17(x-y)