document.write( "Question 773222: on an algebra test, the highest grade was 42 points higher than the lowest grade. the sum of the two grades was 138. find the lowest grade \n" ); document.write( "
Algebra.Com's Answer #471649 by tommyt3rd(5050)\"\" \"About 
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H-L=42
\n" ); document.write( "H+L=138\r
\n" ); document.write( "\n" ); document.write( "2H=180
\n" ); document.write( "H=90\r
\n" ); document.write( "\n" ); document.write( "L=90-42
\n" ); document.write( "L=48\r
\n" ); document.write( "\n" ); document.write( ":)
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