Ответ:
(x-0.55)x5=6.25x3
5x-2.75=18.75
5x=16
x=16/5
x=3.2
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Ответ:
(x-0.55)x5=6.25x3
5x-2.75=18.75
5x=16
x=16/5
x=3.2