document.write( "Question 656407: x + (x+20) = 90 what does x equal \n" ); document.write( "
Algebra.Com's Answer #409501 by rfer(16322)\"\" \"About 
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x+x+20=90
\n" ); document.write( "2x=90-20
\n" ); document.write( "2x=70
\n" ); document.write( "x=70/2
\n" ); document.write( "x=35
\n" ); document.write( "
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