document.write( "Question 984768: 8x+5y=11 and 3x-4y=10 \n" ); document.write( "

Algebra.Com's Answer #605591 by Cromlix(4381) $\"\"$ $\"About$

You can put this solution on YOUR website!
Hi there,
\n" ); document.write( "8x + 5y = 11.....(1)
\n" ); document.write( "3x - 4y = 10.....(2)
\n" ); document.write( "Multiply (1) by 4 and
\n" ); document.write( "(2) by 5
\n" ); document.write( "32x + 20y = 44....(1)
\n" ); document.write( "15x - 20y = 50....(20
\n" ); document.write( "Add (1) + (2)
\n" ); document.write( "47x = 94
\n" ); document.write( "x = 2
\n" ); document.write( "Substitute x = 2 into
\n" ); document.write( "Equation (1)
\n" ); document.write( "8x + 5y = 11
\n" ); document.write( "8(2) + 5y = 11
\n" ); document.write( "16 + 5y = 11
\n" ); document.write( "5y = 11 - 16
\n" ); document.write( "5y = -5
\n" ); document.write( "y = -1
\n" ); document.write( "x = 2: y = -1
\n" ); document.write( "Hope this helps:-) \n" ); document.write( "

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