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-3+8r=-4(1-2r)
We move all terms to the left:
-3+8r-(-4(1-2r))=0
We add all the numbers together, and all the variables
8r-(-4(-2r+1))-3=0
We calculate terms in parentheses: -(-4(-2r+1)), so:We get rid of parentheses
-4(-2r+1)
We multiply parentheses
8r-4
Back to the equation:
-(8r-4)
8r-8r+4-3=0
We add all the numbers together, and all the variables
1!=0
There is no solution for this equation
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