document.write( "Question 522860: 6x-5y=-67
\n" ); document.write( "7x+83=y\r
\n" ); document.write( "\n" ); document.write( "7m+n=13
\n" ); document.write( "m-9n=11\r
\n" ); document.write( "\n" ); document.write( "4x+5y=15
\n" ); document.write( "-6x+y=37\r
\n" ); document.write( "\n" ); document.write( "6x+9y=-33
\n" ); document.write( "-3x+y=22\r
\n" ); document.write( "\n" ); document.write( "Im suppose to solve using the substition method, I am confused!
\n" ); document.write( "

Algebra.Com's Answer #347044 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
6x-5y=-67
\n" ); document.write( "7x+83=y
\n" ); document.write( "---
\n" ); document.write( "Substitute for \"y\" and solve for \"x\":
\n" ); document.write( "6x -5(7x+83) = -67
\n" ); document.write( "6x-35x-415 = -67
\n" ); document.write( "-29x = 348
\n" ); document.write( "x = -12
\n" ); document.write( "----
\n" ); document.write( "Solve for \"y:
\n" ); document.write( "y = 7x+83
\n" ); document.write( "y = 7*-12 + 83
\n" ); document.write( "y = 0
\n" ); document.write( "===================================================
\n" ); document.write( "
\n" ); document.write( "7m+n=13
\n" ); document.write( "m-9n=11
\n" ); document.write( "---
\n" ); document.write( "Solve the bottom equation for \"m\":
\n" ); document.write( "m = 9n+11
\n" ); document.write( "---
\n" ); document.write( "Substitute into the 1st equation and solve for \"n\":
\n" ); document.write( "7(9n+11) + n = 13
\n" ); document.write( "63n + 77 + n = 13
\n" ); document.write( "64n = - 64
\n" ); document.write( "n = -1
\n" ); document.write( "----
\n" ); document.write( "Substitute for \"n\" an solve for \"m\":
\n" ); document.write( "m = 8n+11
\n" ); document.write( "m = 8*-1 + 11
\n" ); document.write( "m = 3
\n" ); document.write( "==================
\n" ); document.write( "Work the others in a similar manner.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "=============\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "4x+5y=15
\n" ); document.write( "-6x+y=37
\n" ); document.write( "6x+9y=-33
\n" ); document.write( "-3x+y=22
\n" ); document.write( "Im suppose to solve using the substition method
\n" ); document.write( "
\n" );