document.write( "Question 182453: y=-7x+23
\n" ); document.write( "4x-3y=6
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Algebra.Com's Answer #137001 by HyperBrain(694)\"\" \"About 
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Replace y in 4x-3y=6 by -7x+23.
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\n" ); document.write( "4x-3(-7x+23)=6
\n" ); document.write( "4x-(-21x+69)=6
\n" ); document.write( "25x-69=6
\n" ); document.write( "25x=75
\n" ); document.write( "x=3
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\n" ); document.write( "find the value of x.
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\n" ); document.write( "y=-7x+23=-7(3)+23=-21+23=2\r
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\n" ); document.write( "Therefore, x=3; y=2.
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\n" ); document.write( "Power up,
\n" ); document.write( "HyperBrain!
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\n" ); document.write( "visit my blog here
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