document.write( "Question 540367: I need help using the elimination method to solve the following:
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document.write( "2x+8y=12
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document.write( "-8x-8y=-16 \n" );
document.write( "
Algebra.Com's Answer #353667 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve the following: \n" ); document.write( "2x+8y=12 \n" ); document.write( "-8x-8y=-16 \n" ); document.write( "------------- \n" ); document.write( "Divide thru 1st by 2 \n" ); document.write( "Divide thru 2nd by -8 \n" ); document.write( "---- \n" ); document.write( "x + 4y = 6 \n" ); document.write( "x + y = 2 \n" ); document.write( "---- \n" ); document.write( "Subtract and solve for \"y\": \n" ); document.write( "3y = 4 \n" ); document.write( "y = 4/3 \n" ); document.write( "----- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x + y = 2 \n" ); document.write( "x + 4/3 = 2 \n" ); document.write( "x = 2/3 \n" ); document.write( "===== \n" ); document.write( "Ans: (2/3 , 4/3) \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " |