?Which of the following is not true about subtraction of integers:
?
A. ?If a> b, then a - b> 0
B. ?If a< b, and b is positive, then a is negative.
C. ?Given that p represents a positive unit and n represents a negative unit, 3 - 5 can be represented as follows: pppppnn subtract ppppp equals nn.
D. ?Given that p represents a positive unit and n represents a negative unit, 4 - (-3) can be modeled as follows: pppppppnnn subtract nnn equals positive 7.
E. ?Using a number line, one can find the 3 - 4 by starting at 3 and moving 4 to the left to result in –1.
Answer: B
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