Asked by Karrie

Hi:

I am looking for confirmation that I have done this problem correctly:

6-(-5r)=5r-3
6+5r=5r-3
6+3+5r=5r-3+3
9+5r=5r
9+5r-5r=5r-5r
9=0

Answers

Answered by DrBob222
6-(-5r)=5r-3
6+5r=5r-3 <b>OK TO HERE.</b>
6+3+5r=5r-3+3
9+5r=5r
9+5r-5r=5r-5r
9=0
<b>The equation is faulty because 5r on one side cancels with 5r on the other and division by zero is not allowed.</b>
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