s104012
s104012
30-06-2016
Mathematics
contestada
Simplify (x - y + 1) - (x + y - 1)
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kcool1234
kcool1234
30-06-2016
well subtract the 'x' and 'y' .both are 1 .so its gonna be 1-1+1=1 and do the same with the other side which is gonna be 1 also .so its gonna be 1-1=0 .
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fadsea
fadsea
30-06-2016
x2+y2 -1x + yx -y +1y
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