Предмет: Алгебра, автор: Аноним

упростить выражение 4(2-1,5х)-3(х-2) и найти его числовые значения при х=-0,7
При х=-0,2

Ответы

Автор ответа: tatyanamagaeva
0
Раскрываем скобки: 6у-3х-2у+6х => 4у+3х => подставляем вместо х и у значения, получаем
4*(-29)+3*0,25= 0,75 - 89 =34 - 89 = 113 вроде так.
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