Question

реши уравнения
5х+4,3=21,2

30,412*х=3,0412

Answer 1

5х+4,3=21,2
5х=21,2-4,3
5х=16,9
х=16,9/5
х=3,38
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30,412*х=3,0412
х=3,0412/30,412
х=0,1