document.write( "Question 1085354: Topic:Arithmetic Mean\r
\n" ); document.write( "\n" ); document.write( "1. Find the value of b when the arithmetic mean of b+2 and 4b+5 is b+2
\n" ); document.write( "

Algebra.Com's Answer #699423 by htmentor(1343)\"\" \"About 
You can put this solution on YOUR website!
The arithmetic mean (average) is given by ( (b+2) + (4b+5) )/2, and this is equal to b+2:
\n" ); document.write( "( (b+2) + (4b+5) )/2 = b+2
\n" ); document.write( "Solve for b:
\n" ); document.write( "5b + 7 = 2b + 4
\n" ); document.write( "b = -1
\n" ); document.write( "Check:
\n" ); document.write( "(1 + 1)/2 = -1 + 2 = 1
\n" ); document.write( "
\n" );