document.write( "Question 758412: The average of four numbers is 4x+3. If one of the numbers is x, what is the average of the other three numbers? \n" ); document.write( "
Algebra.Com's Answer #461457 by lwsshak3(11628)\"\" \"About 
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The average of four numbers is 4x+3. If one of the numbers is x, what is the average of the other three numbers?
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\n" ); document.write( "4(4x+3)=16x+12=total of 4 numbers
\n" ); document.write( "16x+12-x=15x+12=total of other 3 numbers
\n" ); document.write( "(15x+12)/3=5x+4=average of the 3 numbers
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