Question

Exercise 4.2
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Fill in the blanks:
On a number line,
a. To subtract 5 from 8, we move
from 8
b. To subtract - from 12, we move
from 12
c. To add 7 to -9. we move
from-9.
d. To add -3 to 6, we move
from 6.
e. To subtract 9 from 12. we move
from 12.
f. To subtract - 7 from 15, we move
from 15.
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g. To add ll to -6, we move
from-6.
h. To add -8 to 12 we move
from 12.
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Answer 1

what do you mean by this question

Answer 2

Answer:

i think it is to long to   solve  , and to frankly tell i didn't  understand this question .....