document.write( "Question 309823: If the average of three numbers is V. If one of the numbers is Z and another is Y, what is the remaining number?
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Algebra.Com's Answer #221593 by ankor@dixie-net.com(22740)\"\" \"About 
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If the average of three numbers is V. If one of the numbers is Z and another is Y, what is the remaining number?
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\n" ); document.write( "Let x = remaining number
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\n" ); document.write( "\"%28x%2By%2Bz%29%2F3\" = V
\n" ); document.write( "Multiply both sides by 3
\n" ); document.write( "x + y + z = 3V
\n" ); document.write( "x = 3V - y - z, is the remaining number
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