document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=418610>Question 418610</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which expression can be substituted for x in the top equation of the system below to solve the system by substitution?<BR>\n" );
document.write( "2x + 10y = 1<BR>\n" );
document.write( "x – 4y = –4 </SPAN>\n" );
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document.write( "2x + 10y = 1<BR>\n" );
document.write( "x – 4y = –4------>x = 4y - 4 {added 4y to both sides}\r<BR>\n" );
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document.write( "(4y - 4) can be substituted in for x, in the top equation, to solve by substitution<BR>\n" );
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