52.5/х=14
х=52.5/14
х=3.75
(х+7)/2.8=8.4
х+7=8.4*2.8
х+7=23.52
х=23.52-7
х=16.52
17-8х=3
-8х=17-3
-8х=15
-х=15/8
-х=1.8
х=-1.8
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Answers & Comments
52.5/х=14
х=52.5/14
х=3.75
(х+7)/2.8=8.4
х+7=8.4*2.8
х+7=23.52
х=23.52-7
х=16.52
17-8х=3
-8х=17-3
-8х=15
-х=15/8
-х=1.8
х=-1.8