document.write( "Question 386293: how do you solve using the substitution formula
\n" ); document.write( "x=4y+9
\n" ); document.write( "2x-8y=18
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Algebra.Com's Answer #273098 by rfer(16322)\"\" \"About 
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2*(4y+9)-8y=18
\n" ); document.write( "8y+18-8y=18
\n" ); document.write( "since the y's are eliminated there is no solution
\n" ); document.write( "no common point
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