document.write( "Question 216215: 21 _____ _____ 63 these numbers and spaces are on a number line what is the formula to figure the missing numbers? \n" ); document.write( "
Algebra.Com's Answer #163288 by checkley77(12844)\"\" \"About 
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(63-21)/(N-1)=42/(4-1)=42/3=14
\n" ); document.write( "21+14=35+14=49+14=63
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