document.write( "Question 536743: solve by the substitution method.\r
\n" ); document.write( "\n" ); document.write( "8x + 5y = 14
\n" ); document.write( "x = 46 - 8y \n" ); document.write( "

Algebra.Com's Answer #352571 by Maths68(1474) $\"\"$ $\"About$

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$\"8x+%2B+5y+=+14\"$ .......(1)
\n" ); document.write( " $\"x+=+46+-+8y\"$ .........(2)
\n" ); document.write( "Put the value of x from (2) to (1)
\n" ); document.write( " $\"8%2846+-+8y%29+%2B+5y+=+14\"$ .......(1)
\n" ); document.write( " $\"368+-+64y+%2B+5y+=+14\"$
\n" ); document.write( " $\"368+-+64y+%2B+5y+=+14\"$
\n" ); document.write( " $\"-+59y+=+14-368\"$
\n" ); document.write( " $\"-+59y+=+-354\"$
\n" ); document.write( " $\"-+59y%2F-59+=+-354%2F-59\"$
\n" ); document.write( " $\"y+=+6\"$
\n" ); document.write( "Put the value of y in (2)
\n" ); document.write( " $\"x+=+46+-+8%286%29\"$ .........(2)
\n" ); document.write( " $\"x+=+46+-+48\"$
\n" ); document.write( " $\"x+=+-2\"$
\n" ); document.write( "x,y=-2,6\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Check
\n" ); document.write( "=====
\n" ); document.write( "Put the values of x and y in (1)
\n" ); document.write( " $\"8x+%2B+5y+=+14\"$ .......(1)
\n" ); document.write( " $\"8%28-2%29+%2B+5%286%29+=+14\"$
\n" ); document.write( " $\"-16%2B30+=+14\"$
\n" ); document.write( " $\"14+=+14\"$ \n" ); document.write( "

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