Nualsa
7 год назад
1)а-3,2/2а+1,4 = 0,9/2,7
2)-3/9-4а = 40/200
ОТВЕТЫ
Кутузов
Jul 4, 2019
1)
(а-3.2)/(2а+1.4) = 0.9/2.7
(а-3.2)/(2а+1.4) = 1/3
3a - 9.6 = 2a + 1.4
a = 11
2)
-3/(9-4a) = 40/200
-3/(9-4a) = 1/5
-15 = 9-4a
-24 = -4a
a = 6
(а-3.2)/(2а+1.4) = 0.9/2.7
(а-3.2)/(2а+1.4) = 1/3
3a - 9.6 = 2a + 1.4
a = 11
2)
-3/(9-4a) = 40/200
-3/(9-4a) = 1/5
-15 = 9-4a
-24 = -4a
a = 6
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