document.write( "Question 293066: how to determine if (2,-1) are solutions to 4r+3s=5 \n" ); document.write( "
Algebra.Com's Answer #211561 by Alan3354(69443)\"\" \"About 
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Sub the numbers for r and s, see if it equals 5.
\n" ); document.write( "Is r = 2 and s = -1, or vice versa? Try it both ways, since it's not defined.
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