10*х=8*25 х:20=4800:80 (х-380)*50=2000 (х+8):70=4640:(25-х)=402700:(х-12)=90

Question

10*х=8*25
х:20=4800:80
(х-380)*50=2000
(х+8):70=4
640:(25-х)=40
2700:(х-12)=90

Answer 1

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