document.write( "Question 329801: Help please!\r
\n" ); document.write( "\n" ); document.write( "I tried to solve these but I'm not sure if its correct.\r
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\n" ); document.write( "\n" ); document.write( "4x – 3y = 1
\n" ); document.write( " X = 1 – y
\n" ); document.write( "4/7 and y = 3/7\r
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\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "8 x – 6y = 0
\n" ); document.write( " X + y = 134
\n" ); document.write( "x = 39/28 and y = 13/7\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "I'm also having trouble solving these. Can you please help? (you can use any convenient method)\r
\n" ); document.write( "\n" ); document.write( "-3 - 7z = 27,
\n" ); document.write( "-6x + y - 5z = `45
\n" ); document.write( "4x + 4y - 6z =0\r
\n" ); document.write( "\n" ); document.write( "x + 4y + z = 11
\n" ); document.write( "3x + 4y = 7
\n" ); document.write( "5x + 2y + 2z =19 \r
\n" ); document.write( "\n" ); document.write( "-5X +5y + z = 8
\n" ); document.write( "9x + 8y + 9z = 116
\n" ); document.write( "x + 2y + 9z = 86\r
\n" ); document.write( "\n" ); document.write( "Thank you in advance!
\n" ); document.write( "

Algebra.Com's Answer #236385 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
4x – 3y = 1
\n" ); document.write( " x = 1 – y
\n" ); document.write( ".
\n" ); document.write( "4(1-y)-3y=1
\n" ); document.write( "4-4y-3y=1
\n" ); document.write( "-7y=-3
\n" ); document.write( "y=3/7
\n" ); document.write( "x=1- 3/7
\n" ); document.write( "x=4/7
\n" ); document.write( ".
\n" ); document.write( "Ed
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