maxhm900
maxhm900
26-05-2019
Mathematics
contestada
pls help
90−x·30=80
what is x
Respuesta :
Аноним
Аноним
26-05-2019
90-x*30=80
90-30x=80
90-90-30x=80-90
-30x=-10
Divide by -30 for -30x and -10
-30/-30x=-10/-30
x=1/3
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