document.write( "Question 783690: if 3 + 1=4 & 2+2=4 then 3+1=2 +2 please find the property \n" ); document.write( "

Algebra.Com's Answer #476884 by jim_thompson5910(35256) $\"\"$ $\"About$

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This is the substitution property at work here. You start with 3 + 1=4 and you replace or substitute the '4' with 2+2 since 2+2 = 4 as well \n" ); document.write( "

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