document.write( "Question 184140: Solve each system using the specified method. Substitution
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document.write( "4x-3y=15
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document.write( "x-2y=0 \n" );
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Algebra.Com's Answer #138227 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 4x-3y=15 \n" ); document.write( "x-2y=0 x=2y now replace x with (2y) in the first equation & solve for y. \n" ); document.write( "4(2y)-3y=15 \n" ); document.write( "8y-3y=15 \n" ); document.write( "5y=15 \n" ); document.write( "y=15/5 \n" ); document.write( "y=3 ans. \n" ); document.write( "x=2*3 \n" ); document.write( "x=6 ans. \n" ); document.write( "Proof: \n" ); document.write( "4*6-3*3=15 \n" ); document.write( "24-9=15 \n" ); document.write( "15=15 \n" ); document.write( " |