jeanieb
03.12.2021 •
Mathematics
A certain lottery requires players to select five numbers in order from 1 to 53 inclusive. How many sets of five numbers can be chosen? May you please help me with this
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Ответ:
x=19-3y
-6(19-3y)-4y= -16
-114+18y-4y = -16
-114+14y= -16
14y= (-16+114)
14y= 98
y=(98/14)
y= 7
x+3(7)=19
x+21=19
x=(19-21)
x= -2