document.write( "Question 1025796: Solve for x and y: 3x+4y=9, 2x+3y=8 \n" ); document.write( "

Algebra.Com's Answer #641175 by ikleyn(52847) $\"\"$ $\"About$

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\n" ); document.write( "Solve for x and y: 3x+4y=9, 2x+3y=8
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document.write( "3x + 4y = 9,    (1)\r\n" );
document.write( "2x + 3y = 8.    (2)\r\n" );
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document.write( "Multiply (1) by 2 (boht sides). Multiply (2) by 3 (both sides). You will get\r\n" );
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document.write( "6x + 8y = 18,   (1')\r\n" );
document.write( "6x + 9y = 24.   (2')\r\n" );
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document.write( "Now distract (1') from (2'). You will get a single equation for the unknown y:\r\n" );
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document.write( "y = 24 - 18,\r\n" );
document.write( "y = 6.\r\n" );
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document.write( "So, you got the solution for y.\r\n" );
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document.write( "Next step find x from either (1) or (2).\r\n" );
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