document.write( "Question 999611: ``solve each system of equations by the substitution method\r
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document.write( "6x-3y=5
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document.write( "X+2y=0 \n" );
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Algebra.Com's Answer #617192 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Solve the second one and substitute into the first equation... \n" ); document.write( "6x-3y=5 \n" ); document.write( "x+2y=0 \n" ); document.write( "and \n" ); document.write( "x = -2y \n" ); document.write( "and \n" ); document.write( "6(-2y)-3y=5 \n" ); document.write( "-12y-3y=5 \n" ); document.write( "-15y=5 \n" ); document.write( "divide by -15 and get \n" ); document.write( "y = -1/3 \n" ); document.write( "x = 2(-1/3) = 2/3 \n" ); document.write( " |