document.write( "Question 626828: 2x+y=8
\n" ); document.write( "3x-7y=-34
\n" ); document.write( "Solve by addition..... I have tried over and over again to solve this.
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Algebra.Com's Answer #394450 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
2x + y = 8
\n" ); document.write( "3x -7y =-34
\n" ); document.write( "multiply the 1st equation by 7, add to the 2nd equation
\n" ); document.write( "14x + 7y = 56
\n" ); document.write( " 3x - 7y = -34
\n" ); document.write( "----------------addition eliminates y, find x
\n" ); document.write( "17x + 0 = 22
\n" ); document.write( "x = \"22%2F17\"
\n" ); document.write( ":
\n" ); document.write( "Find y using the 1st equation, replace x with 22/17
\n" ); document.write( "2(22/17) + y = 8
\n" ); document.write( "\"44%2F17\" + y = 8
\n" ); document.write( "y = 8 - \"44%2F17\"
\n" ); document.write( "make 8 into an improper fraction
\n" ); document.write( "y = \"136%2F17\" - \"44%2F17\"
\n" ); document.write( "y = \"92%2F17\"
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check these annoying solutions on your calc using the 2nd equation;
\n" ); document.write( "enter: 3(22/17) - 7(92/17) results - 34
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