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Evaluate the expression for r=−9r = -9.\newline−5+r=-5 + r = _____

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Full solution

Q. Evaluate the expression for r=−9r = -9.\newline−5+r=-5 + r = _____
  1. Write −5+r-5 + r: Write −5+r-5 + r after substituting r=−9r = -9.\newlineSubstitute −9-9 for rr in −5+r-5 + r.\newline−5+(−9)-5 + (-9)
  2. Substitute −9-9 for rr: Evaluate −5+(−9)-5 + (-9).−5+(−9)-5 + (-9)=−5−9= -5 - 9=−14= -14

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