document.write( "Question 300221: find the values of x and y solve the fllowing system of equations:
\n" ); document.write( "-4x+3y=17
\n" ); document.write( "-7x+9y=11
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Algebra.Com's Answer #215467 by amoati(11)\"\" \"About 
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-4x+3y=17 -- (1)
\n" ); document.write( "-7x+9y=11 -- (2)\r
\n" ); document.write( "\n" ); document.write( "multiplying (1) by 3 gives -12x+9y=51 then this one minus(2) gives:\r
\n" ); document.write( "\n" ); document.write( "-5x=40 --> x = -8 putting this is in (1) gives y = -5
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