layla60 layla60
  • 13-09-2017
  • Mathematics
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Please help me with number 14 name the propriety illustrated by the following

Please help me with number 14 name the propriety illustrated by the following class=

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ocean42809 ocean42809
  • 13-09-2017
a. .x -x=0
x+ -x=0
0=0
all real numbers are solutions
b. x-y+(-x)=x-y+(-x)
-y=-y
0=0
x=0/0 0 over 0
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