document.write( "Question 157985This question is from textbook
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document.write( ": The left and right numbers of an open book are two consecutive integers who's sum is 469. Find these page #'s \r
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document.write( "The product of twice a number and three is the same as the difference of five times the number and 3/4. Find the number\r
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document.write( "To make an international telephone call you need the code for the country you are calling. The codes for Belgium, France, and Spain are three consecutive integers who's sum is 99. Find the code for each country. \n" );
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Algebra.Com's Answer #116380 by checkley77(12844) ![]() You can put this solution on YOUR website! x+(x+1)=469 \n" ); document.write( "2x+1=469 \n" ); document.write( "2x=469-1 \n" ); document.write( "2x=468 \n" ); document.write( "x=468/2 \n" ); document.write( "x=234 for the left hand page number. \n" ); document.write( "234=1=235 for the right hand page. \n" ); document.write( "Proof \n" ); document.write( "234+235=469 \n" ); document.write( "469=469 \n" ); document.write( "------------------------------------- \n" ); document.write( "2x+3=5x-3/4 \n" ); document.write( "2x-5x=-3/4-3 \n" ); document.write( "-3x=(-3-12)/4 \n" ); document.write( "-3x=-15/4 \n" ); document.write( "x=(-15/4)/-3 \n" ); document.write( "x=-15/4*1/-3 \n" ); document.write( "x=5/4 answer. \n" ); document.write( "Proof: \n" ); document.write( "2*5/4+3=5*5/4-3/4 \n" ); document.write( "10/4+3=25/4-3/4 \n" ); document.write( "(10+12)/4=22/4 \n" ); document.write( "22/4=22/4 \n" ); document.write( "------------------------------------------ \n" ); document.write( "x+x+1+x+2=99 \n" ); document.write( "3x+3=99 \n" ); document.write( "3x=99-3 \n" ); document.write( "3x=96 \n" ); document.write( "x=96/3 \n" ); document.write( "x=32 for the l;owest code. \n" ); document.write( "32+1=33 for the next one. \n" ); document.write( "32+2=34 for the last one. \n" ); document.write( "Proof; \n" ); document.write( "32+33+34=99 \n" ); document.write( "99=99\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |