document.write( "Question 129409: Can you help me with a substitution problem? I am still getting confused,usually with the second part of the problem.It's not in a book.I do not think there is a solution for both of them to make them come out correctly.I really need simple step by step help in order to learn how to do them on my own.Can I just plug each of the sets of numbers given? Your help is greatly appreciated. .The problem is:\r
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document.write( " x=2y-8 3x-2y= -12 \r
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document.write( "The choices were: a)2,-3 b)0,4 c)-4,4 d)-2,3 e)none
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document.write( "I CHOSE E - none of them (I almost chose C) \n" );
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Algebra.Com's Answer #94541 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X=2Y-8 \n" ); document.write( "3X-2Y=-12 \n" ); document.write( "3(2Y-8)-2Y=-12 \n" ); document.write( "6Y-24-2Y=-12 \n" ); document.write( "4Y=-12+24 \n" ); document.write( "4Y=12 \n" ); document.write( "Y=12/4 \n" ); document.write( "Y=3 ANSWER. \n" ); document.write( "X=2*3-8 \n" ); document.write( "X=6-8 \n" ); document.write( "X=-2 ANSWER. \n" ); document.write( "PROOF: \n" ); document.write( "3*-2-2*3=-12 \n" ); document.write( "-6-6=-12 \n" ); document.write( "-12=-12 \n" ); document.write( " |