SOLUTION: ((-6.9+7.7)/-2 )+1 OK this one I am totally LOST. I do not no what any of this means what is the (( and the /-2 mean?? I cant even find this in my textbook. Can someone please e

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Question 114932: ((-6.9+7.7)/-2 )+1
OK this one I am totally LOST. I do not no what any of this means what is the (( and the /-2 mean?? I cant even find this in my textbook. Can someone please explain to me how this problem is actually work out? Thank you much.

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given equation


Add -6.9 to 7.7 to get 0.8


Rewrite as


Reduce


Multiply by the reciprocal


Multiply


Reduce



Rewrite as


Combine the fractions


Add the numerators

So the answer is or 0.6 in decimal form


So or

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