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Matthew123
@Matthew123
June 2022
1
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х+9/7-х/2=2
решите уравнение
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nafanya2014
Verified answer
Умножим уравнение на 14
2(х+9)-7х=28
2х+18-7х=28
2х-7х=28-18
-5х=10
х=10:(-5)
х=-2
65 votes
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Verified answer
Умножим уравнение на 14
2(х+9)-7х=28
2х+18-7х=28
2х-7х=28-18
-5х=10
х=10:(-5)
х=-2