Ответ: 6 3/50.
Пошаговое объяснение:
(x - 2 7/10) + 4 7/50 = 7 1/2;
(x - 2 7/10)=7 1/2 - 4 7/50 => 7 25/50 - 4 7/50 = 3 18/50 = 3 9/25=>
x - 2 7/10 =3 9/25;
x=3 9/25+2 7/10;
x=3 18/50 + 2 35/50;
x= 5 53/50 = 6 3/50.
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Ответ: 6 3/50.
Пошаговое объяснение:
(x - 2 7/10) + 4 7/50 = 7 1/2;
(x - 2 7/10)=7 1/2 - 4 7/50 => 7 25/50 - 4 7/50 = 3 18/50 = 3 9/25=>
x - 2 7/10 =3 9/25;
x=3 9/25+2 7/10;
x=3 18/50 + 2 35/50;
x= 5 53/50 = 6 3/50.