mashcroft2002
18.07.2019 •
Mathematics
3(3-y)+1=31 what’s the solution to “y”?
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Ответ:
9-3y+1=31
10-3y=31
-3y=31-10
-3y=21
y=-21/3 = -7
the solution is y=-7
Ответ:
--- of a chance to be on time
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