一道SAT数学题。。。各位大神会做嘛？？？？求解答啊。。。
acertainnumbernismultipliedby12.thenumberthatis3lessthannisalsomultipliedby12.howmuch...
a certain number n is multiplied by 12. the number that is 3 less than n is also multiplied by 12. how much greater is the first product than the second?
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first number is 12n
second number is 12(n-3)=12n-36
first one substract second one = 36
second number is 12(n-3)=12n-36
first one substract second one = 36
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