document.write( "Question 637118: a number is divided by 4 and then increased by 160. then 40 is subtracted from the result. the final number is 320 whats the original number? \n" ); document.write( "
Algebra.Com's Answer #401434 by checkley79(3341)\"\" \"About 
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X/4+160-40=320
\n" ); document.write( "X/4=320-160+40
\n" ); document.write( "X/4=200
\n" ); document.write( "X=4*200
\n" ); document.write( "X=800 ans.
\n" ); document.write( "PROOF:
\n" ); document.write( "800/4+160-40=320
\n" ); document.write( "200+160-40=320
\n" ); document.write( "360-40=320
\n" ); document.write( "320=320
\n" ); document.write( "
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