document.write( "Question 97157: 0.5m + 6.4 = 4.9 -0.1m \n" ); document.write( "
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0.5m + 6.4 = 4.9 -0.1m
\n" ); document.write( "Add .1m to both sides
\n" ); document.write( ".6m + 6.4 = 4.9
\n" ); document.write( "Subtract 6.4 from both sides
\n" ); document.write( ".6m = -1.5
\n" ); document.write( "Divide both sides by .6
\n" ); document.write( "m = -2.5
\n" ); document.write( "-----
\n" ); document.write( "To check, substitute all \"m\"s with -2.5
\n" ); document.write( ".5(-2.5) + 6.4 = 4.9 - .1(-2.5)
\n" ); document.write( "-1.25 + 6.4 = 4.9 - (-.25)
\n" ); document.write( "5.15 = 5.15
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