document.write( "Question 173903: Ok so I've tried to do this problem quite a few times and I just can't seem to get it.
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document.write( "2x+5y=19
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document.write( "x=32-7y
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document.write( "I tried to solve by substitution, I did this:
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document.write( "2(32-7y)+5y=19
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document.write( "64-14y+5y=19
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document.write( "20y=83
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document.write( "But as you can see that is not right, I cannot figure out what I am doing wrong. I am supposed to end up with an ordered pair, I just don't get it. \n" );
document.write( "
Algebra.Com's Answer #128781 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 2x+5y=19 \n" ); document.write( "x=32-7y \n" ); document.write( "I tried to solve by substitution, I did this: \n" ); document.write( "2(32-7y)+5y=19 \n" ); document.write( "64-14y+5y=19 \n" ); document.write( "-9y = -45 \n" ); document.write( "y = 5 \n" ); document.write( "--------- \n" ); document.write( "Substitute into x = 32-7y to get: \n" ); document.write( "x = 32 - 7*5 = -3 \n" ); document.write( "============ \n" ); document.write( "Final Answer: \n" ); document.write( "x = -3, y = 5 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |