document.write( "Question 749441: If the product of 14 and a number is decreased by 7, and then the result is divided by 5, the answer is 7. What is the unknown number? \n" ); document.write( "

Algebra.Com's Answer #455944 by checkley79(3341) $\"\"$ $\"About$

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(14x-7)/5=7 cross multiply
\n" ); document.write( "14x-7=7*5
\n" ); document.write( "14x-7=35
\n" ); document.write( "14x=35+7
\n" ); document.write( "14x=42
\n" ); document.write( "x=42/14
\n" ); document.write( "x=3 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "(14*3-7)/5=7
\n" ); document.write( "(42-7)/5=7
\n" ); document.write( "35=7*5
\n" ); document.write( "35=35 \n" ); document.write( "

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