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slava68222slava682
@slava68222slava682
August 2022
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(77-x)/x=7/2
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miron2077
Verified answer
(77-х)/х=7/2 х≠0
2(77-х)=7х
154-2х=7х
-9х=-154
х=-154:(-9)
х=17 1/9
0 votes
Thanks 0
martnatalya
Левую и правую часть умножаем на 2х, чтобы избавиться от дробей. х≠0
Получится уравнение:
2(77-х)=7х
154-2х=7х
-2х-7х=-154
-9х=-154
х=154/9=17 целых 1/9
2 votes
Thanks 1
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Verified answer
(77-х)/х=7/2 х≠02(77-х)=7х
154-2х=7х
-9х=-154
х=-154:(-9)
х=17 1/9
Получится уравнение:
2(77-х)=7х
154-2х=7х
-2х-7х=-154
-9х=-154
х=154/9=17 целых 1/9