document.write( "Question 863273: a number is four less than four times another number. if their sum is 21 find the numbers \n" ); document.write( "
Algebra.Com's Answer #520279 by ben720(159)\"\" \"About 
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A number is four less than four times another number (n). Therefore, the first number is 4n-4. If their sum is 21, meaning that \"4n-4%2Bn=21\"
\n" ); document.write( "Combine Like Terms
\n" ); document.write( "\"5n-4=21\"
\n" ); document.write( "Add 4 to both sides
\n" ); document.write( "\"5n=25\"
\n" ); document.write( "Divide both sides by 5.
\n" ); document.write( "n=5. Because the second is 4n-4, it's 16
\n" ); document.write( "The numbers are 5 and 16.
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