Question 530868
{{{-4r-11=4r+21}}} Start with the given equation.



{{{-4r=4r+21+11}}} Add {{{11}}} to both sides.



{{{-4r-4r=21+11}}} Subtract {{{4r}}} from both sides.



{{{-8r=21+11}}} Combine like terms on the left side.



{{{-8r=32}}} Combine like terms on the right side.



{{{r=(32)/(-8)}}} Divide both sides by {{{-8}}} to isolate {{{r}}}.



{{{r=-4}}} Reduce.



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Answer:


So the solution is {{{r=-4}}} 



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