document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=414255>Question 414255</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the following proportion\r<BR>\n" );
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document.write( "7/2= z-5/z-3  </SPAN>\n" );
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document.write( "7/2 = (z-5)/(z-3)\r<BR>\n" );
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document.write( "To solve a proportion, just cross-multiply.\r<BR>\n" );
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document.write( "7(z - 3) = 2(z - 5) {cross-multiplied diagonally}<BR>\n" );
document.write( "7z - 21 = 2z - 10 {used distributive property}<BR>\n" );
document.write( "7z = 2z + 11 {added 21 to both sides}<BR>\n" );
document.write( "5z = 11 {subtracted 2z from both sides}<BR>\n" );
document.write( "z = 11/5 {divided both sides by 5}<BR>\n" );
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