timmy29
timmy29
25-02-2018
Mathematics
contestada
[x÷(y–1)](−4)–[xy+(−3)]÷(−1) if x=−5, y=−2
Respuesta :
sqdancefan
sqdancefan
25-02-2018
The result is 1/3.
_____
The first attempt in the attached picture has parentheses in the wrong place for the second term. This simplifies to
.. (-5/-3)*(-4) +(10 -3)
.. = -20/3 +7
.. = -(6 2/3) +7
.. = 1/3
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