document.write( "Question 669722: How do i solve 2x +7y =8 and x- 9y =4 ? \n" ); document.write( "
Algebra.Com's Answer #416541 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Hint:\r
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\n" ); document.write( "\n" ); document.write( "x- 9y =4\r
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\n" ); document.write( "\n" ); document.write( "x = 9y+4\r
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\n" ); document.write( "\n" ); document.write( "2x +7y =8\r
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\n" ); document.write( "\n" ); document.write( "2x +7y =8\r
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\n" ); document.write( "\n" ); document.write( "2(x) + 7y = 8\r
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\n" ); document.write( "\n" ); document.write( "2(9y+4)+7y = 8\r
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\n" ); document.write( "\n" ); document.write( "2(9y+4) + 7y = 8
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