document.write( "Question 785633: Solve the system by the substitution method.\r
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document.write( "3x/2+y/5=-3
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document.write( "4x+y/3=-11 \n" );
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Algebra.Com's Answer #477630 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 3x/2+y/5=-3 \n" ); document.write( "4x+y/3=-11 \n" ); document.write( "------------------ \n" ); document.write( "15x + 2y = -30 \n" ); document.write( "12x + y = -33 \n" ); document.write( "---------------- \n" ); document.write( "15x + 2y = -30 \n" ); document.write( "y = -12x - 33 \n" ); document.write( "------- \n" ); document.write( "Substitute for \"y\" and solve for \"x\": \n" ); document.write( "15x + 2(-12x-33) = -30 \n" ); document.write( "15x -24x-66 = -30 \n" ); document.write( "-9x = 36 \n" ); document.write( "x = -4 \n" ); document.write( "------- \n" ); document.write( "Solve for \"y\": \n" ); document.write( "y = -12x-33 \n" ); document.write( "y = -12*-4 - 33 \n" ); document.write( "y = 48 - 33 \n" ); document.write( "y = 15 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |