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18.09.2020 •
Mathematics
Whats a+2 over 2=-1 ??
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Ответ:
a=-2
assuming you mean a+2/2=-1
a+2/2=-1
simplify..
a+1=-1
subtract 1 from both sides
a=-2
a=-4
assuming you mean (a+2)/2=-1...
(a+2)/2=-1
simplify...
a/2+2/2=-1
simplify
a/2+1=-1
subtract 1 from both sides
a/2=-2
multiply both sides by 2
a=-4
Ответ:
Thank you
Step-by-step explanation:
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