document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=643138>Question 643138</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i solve <BR>\n" );
document.write( "x = 7 - 10y <BR>\n" );
document.write( "10x - 4y = 18 <BR>\n" );
document.write( " using the substitution method  </SPAN>\n" );
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document.write( "x = 7 - 10y <BR>\n" );
document.write( "10x - 4y = 18 <BR>\n" );
document.write( " using the substitution method <BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "x is solved for, x = 7-10y<BR>\n" );
document.write( "sub for x in the 2nd equation<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );