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frutty [35]
3 years ago
12

Twenty less than a number is more than twice the same number . Step by step to get the answer

Mathematics
2 answers:
Vika [28.1K]3 years ago
5 0
N=number 
N - 20 > 2N   
-20 > N 


Step 1: Set up an inequality based on the words. twenty less means minus twenty or - 20. I used N for the unknown number. twenty less than a number, means N -20.  Is more than means its greater so N - 20 > than the twice the same number which is 2N. so N-20>2N is my inequality 

Step 2: subtract N from both sides and you are left with -20 > N.  which means that N has to be less than -20. So, -21, -22, -23.... would all work.   
likoan [24]3 years ago
3 0
20 less than (-20) a number (n) is more than (>) twice the same number (2n)
-20+n>2n
minus n both sides
-20>n
n<-20
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