1) 9х=45
х=5
2) 28-х=10
х=18
3) 5+х/4= -5
5+х= - 20
х= - 25
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Answers & Comments
1) 9х=45
х=5
2) 28-х=10
х=18
3) 5+х/4= -5
5+х= - 20
х= - 25