document.write( "Question 601391: ASAP:plz
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document.write( "What is the value of the y variable in the solution to the following system of equations?
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document.write( "5x + 3y = 7
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document.write( "3x - 5y = -23 \n" );
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Algebra.Com's Answer #379729 by lawdej(58)![]() ![]() You can put this solution on YOUR website! here is the solution \n" ); document.write( " multiply the first equation by 5 and the second equation by 3 \n" ); document.write( " 25x+15y=35 \n" ); document.write( " 9x-15y=-69 \n" ); document.write( " now add both of them \n" ); document.write( " 34x=-34 \n" ); document.write( " x=-1 \n" ); document.write( "substitute x=-1in one of the equations to get value of y \n" ); document.write( " 5x-1+3y=7 \n" ); document.write( " -5+3y=7 \n" ); document.write( " 3y=7+5 \n" ); document.write( " 3y=12 \n" ); document.write( " y=4 \n" ); document.write( "so the value of the y variable is 4 \n" ); document.write( " |