Can anyone help solve each system by the addition method?
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document.write( "3/7x+5/9y=27
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document.write( "1/9x+2/7y=7
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document.write( "3x-2.5y=7.125
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document.write( "2.5x-3y=7.3125
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document.write( "Thanks so much!!
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document.write( "You just need to get rid of the fractions in the first\r\n" );
document.write( "and get rid of the decimals in the second.\r\n" );
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document.write( "Multiply the first equation through by the LCD of 63.\r\n" );
document.write( "Multiply the second equation through by its LCD, which just\r\n" );
document.write( "happens to be 63 also.\r\n" );
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document.write( "That becomes\r\n" );
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document.write( "Can you solve that? If not post again asking how.\r\n" );
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document.write( "Answers: x=63, y=0\r\n" );
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document.write( "Get rid of the decimals by multiplying through by 10000\r\n" );
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document.write( "You can divide the first one through by 1250 and the\r\n" );
document.write( "second one through by 625:\r\n" );
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document.write( "Can you solve that? If not post again asking how.\r\n" );
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document.write( "Answers: 
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document.write( "Edwin
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