document.write( "Question 199346: -6r + s - rs r=5 s=7 \n" ); document.write( "
Algebra.Com's Answer #149799 by RAY100(1637)\"\" \"About 
You can put this solution on YOUR website!
-6r +s -rs
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\n" ); document.write( "r(-6-s) +s
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\n" ); document.write( "5(-6-7) +7
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\n" ); document.write( "5(-13) +7
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\n" ); document.write( "-65 +7
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\n" ); document.write( "-58
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\n" ); document.write( "check using direct subst into initial eqn
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\n" ); document.write( "-6(5)+(7) -(5)(7) = -30 +7 -35 = -65 +7 =-58,,,,ok \n" ); document.write( "
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