document.write( "Question 4822: what is the solution of x+y=4 and 2x-y=-5 \n" ); document.write( "
Algebra.Com's Answer #2321 by longjonsilver(2297)\"\" \"About 
You can put this solution on YOUR website!
Go to the homework section on this site and look at the lessons i have done on linear equations. It explains them.\r
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\n" ); document.write( "\n" ); document.write( "add the 2 equations together here and you get 3x = -1, so x=-1/3. put this in either equation to find y. THEN put both answers in the other equation to check your answer is correct!\r
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