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Solve: 5 + d > 5 – d

A. d > 10

B. d > 0

C. d < –5

D.d > –10

1 Answer

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B. Substitute -1 for d and Solve.  Do the same for 0 and 1.  To be sure substitute .01 for d and Solve.  You will see this comes close to zero, but cannot be zero. Thus d > 0
User Benjamin Breton
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