document.write( "Question 317903: Solve the system by the sustitution method: 3x - 2y = 0
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document.write( " 5x + 10y =4 \n" );
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Algebra.Com's Answer #227630 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the system by the sustitution method: \n" ); document.write( "3x - 2y = 0 \n" ); document.write( "5x + 10y =4 \n" ); document.write( "------------ \n" ); document.write( "Solve the 1st equation for \"y\": \n" ); document.write( "y = (3/2)x \n" ); document.write( "----- \n" ); document.write( "Substitute for \"y\" in the 2nd equation and solve for \"x\": \n" ); document.write( "5x + 10(3/2)x = 4 \n" ); document.write( "5x + 15x = 4 \n" ); document.write( "20x = 4 \n" ); document.write( "x = 4/20 \n" ); document.write( "x = 1/5 \n" ); document.write( "=========== \n" ); document.write( "Since y = (3/2)x, y = (3/2)(1/5) = 3/10 \n" ); document.write( "======================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " \n" ); document.write( " |