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Annytachka
@Annytachka
July 2022
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При каких значениях х выражения (x+2,4)/7 и (x-0,3)/3,5 будут равны?
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roman241996
Приравняем:(x+2,4) / 7 = (x-0,3) / 3,5 (умножаем на 7 каждый..)(7*(x+2,4)) / 7=7*(x-0.3) / 3,5x+2,4=2*(x-0,3)x+2,4=2x-0,6x-2x=-0.6-2,4-x=-3
x=3
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