8r+7-8r=3+4

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Solution for 8r+7-8r=3+4 equation: 



8r+7-8r=3+4

We move all terms to the left:

8r+7-8r-(3+4)=0

We add all the numbers together, and all the variables

8r-8r+7-7=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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