document.write( "Question 181771: can you please help me do these problems?
\n" ); document.write( "solve by graphing method.\r
\n" ); document.write( "\n" ); document.write( "1)y - x = 4
\n" ); document.write( " y = 3x + 2\r
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\n" ); document.write( "\n" ); document.write( "2)x + y = 1
\n" ); document.write( " 5x + y =-7\r
\n" ); document.write( "\n" ); document.write( "3)4x + 2y =6
\n" ); document.write( " x - y =3\r
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\n" ); document.write( "\n" ); document.write( "solve by the substitue method
\n" ); document.write( "4)
\n" ); document.write( "a=3b
\n" ); document.write( "a-5b=16\r
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\n" ); document.write( "\n" ); document.write( "5)
\n" ); document.write( "8c-d=-3
\n" ); document.write( "4c+5d=15\r
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\n" ); document.write( "\n" ); document.write( "6)
\n" ); document.write( "9p=2q-6
\n" ); document.write( "3p-q=12\r
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Algebra.Com's Answer #136531 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
can you please help me do these problems?
\n" ); document.write( "solve by graphing method.
\n" ); document.write( "1)y - x = 4
\n" ); document.write( "y = 3x + 2 \r
\n" ); document.write( "\n" ); document.write( "2)x + y = 1
\n" ); document.write( "5x + y =-7
\n" ); document.write( "3)4x + 2y =6
\n" ); document.write( "x - y =3 \r
\n" ); document.write( "\n" ); document.write( "For graphs, go to http://www.padowan.dk.com/graph/ and DL the free software.\r
\n" ); document.write( "\n" ); document.write( "solve by the substitue method
\n" ); document.write( "4)
\n" ); document.write( "a=3b
\n" ); document.write( "a-5b=16
\n" ); document.write( "----------
\n" ); document.write( "Sub for a into eqn 2
\n" ); document.write( "3b-5b = 16
\n" ); document.write( "-2b = 16
\n" ); document.write( "b = -8
\n" ); document.write( "a = -24
\n" ); document.write( "-------------------
\n" ); document.write( "5)
\n" ); document.write( "8c-d=-3 --> d = 8c+3
\n" ); document.write( "4c+5d=15
\n" ); document.write( "Sub for d into 2nd eqn
\n" ); document.write( "4c + 5(8c+3) = 15
\n" ); document.write( "4c + 40c+15 = 15
\n" ); document.write( "44c = 0
\n" ); document.write( "c = 0
\n" ); document.write( "d = 3
\n" ); document.write( "-----------\r
\n" ); document.write( "\n" ); document.write( "6)
\n" ); document.write( "9p=2q-6
\n" ); document.write( "3p-q=12 \r
\n" ); document.write( "\n" ); document.write( "Do it like the 2 above.
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