Show that each of the following is true. Give a property of addition to justify each step of your argument. a. x + (y+z)=z + (x+y) b. x + (y+z)= y + (x+z)

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Show that each of the following is true. Give a property of addition to justify each step of your argument.
a. x + (y+z) =z+ (x+y)
b. x + (y+z)= y + (x+z)
Transcribed Image Text:Show that each of the following is true. Give a property of addition to justify each step of your argument. a. x + (y+z) =z+ (x+y) b. x + (y+z)= y + (x+z)
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