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  • 03-10-2017
  • Mathematics
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Please help thank you.

Please help thank you class=
Please help thank you class=

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liemonder liemonder
  • 03-10-2017
a. Given
b. Substituition Property (replaces x with the definition of x=8)
c. Subtraction Property of Equality (-1-88=-89)
d. Division Property of Equality (isolating y)
e. Symmetric Property of Equality (a=b -> b=a)

so the second option
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