document.write( "Question 773772: (3r-7)-(4r-15)=6 \n" ); document.write( "

Algebra.Com's Answer #471826 by Tatiana_Stebko(1539) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%283r-7%29-%284r-15%29=6+\"$
\n" ); document.write( " $\"3r-7-4r%2B15=6\"$
\n" ); document.write( " $\"-r%2B8=6\"$ subtract 8 from both sides of the equation
\n" ); document.write( " $\"+-r=6-8\"$
\n" ); document.write( " $\"-r=-2\"$ divide by (-1)
\n" ); document.write( " $\"r=2\"$ \n" ); document.write( "

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