document.write( "Question 1066254: 9x^2+25y^2=40.........(1)
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Algebra.Com's Answer #681434 by ikleyn(52800) $\"\"$ $\"About$

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document.write( " = 40     (1)\r\n" );
document.write( " = 6         (2)\r\n" );
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document.write( "Express 3x = 6 - 5y from (2) and then substitute it into (1), replacing  =   (!!).  You will get\r\n" );
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document.write( " = 40,\r\n" );
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document.write( " = 40,\r\n" );
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document.write( " = 0.\r\n" );
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document.write( " =  =  = .\r\n" );
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document.write( "Thus,  one solution is  = ,  =  = .\r\n" );
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document.write( "The second solution is  = ,  =  = .\r\n" );
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