1.
8х=5; х=5/8
2.
2х/9=0; х=0
3.
-1/3 (х) = 7; х=-21
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Answers & Comments
1.
8х=5; х=5/8
2.
2х/9=0; х=0
3.
-1/3 (х) = 7; х=-21