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aelitochka31
@aelitochka31
July 2022
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Решите уравнение 4 - x/7=x/9
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Kixcertborn2
Verified answer
65*4-63*x/7=63*x/9
252-9x=7x
-9x-7x=-252
-16x=-252
x=252/16
x=63/4
x=15 3/4
x=15.75
или если там уравнение выглядит так:
то
9(4-x)=7x
36-9x=7x
-9x-7x=-36
-16x=-36
x=36/16
x=9/4
x=2 1/4
x=2.25
2 votes
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Answers & Comments
Verified answer
65*4-63*x/7=63*x/9
252-9x=7x
-9x-7x=-252
-16x=-252
x=252/16
x=63/4
x=15 3/4
x=15.75
или если там уравнение выглядит так:
то
9(4-x)=7x
36-9x=7x
-9x-7x=-36
-16x=-36
x=36/16
x=9/4
x=2 1/4
x=2.25