document.write( "Question 267541: Please help me solve each system of equations: x-2y=0 4x-3y=15 \n" ); document.write( "
Algebra.Com's Answer #196301 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve each system of equations: \n" ); document.write( "x-2y=0 \n" ); document.write( "4x-3y=15 \n" ); document.write( "--------------- \n" ); document.write( "To solve by substitution, solve the 1st equation for \"x\": \n" ); document.write( "x = 2y \n" ); document.write( "--- \n" ); document.write( "Substitute for \"x\" in the 2nd equation and 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 = 3 \n" ); document.write( "------ \n" ); document.write( "Since x = 2y, x = 2*3 = 6 \n" ); document.write( "------------------------------- \n" ); document.write( "Final Soltuion: (6,3) \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |