document.write( "Question 668802: evaluate 4x5+9-2x(1+2) \n" ); document.write( "
Algebra.Com's Answer #415849 by swincher4391(1107)\"\" \"About 
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Parenthesis
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\n" ); document.write( "\n" ); document.write( "4*5+9-2*(1+2) \r
\n" ); document.write( "\n" ); document.write( "Use parenthesis so that (1+2) = 3\r
\n" ); document.write( "\n" ); document.write( "4*5+9-2*3\r
\n" ); document.write( "\n" ); document.write( "Do multiplication:\r
\n" ); document.write( "\n" ); document.write( "20 + 9 - 6 since 4*5 =20 and 2*3 = 6\r
\n" ); document.write( "\n" ); document.write( "Finishing this up gives us 23.
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