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Mathematics, 15.01.2020 23:31, tdahna0403
How can you use a number line to show that 18 + ( -18) = 0? plz explain your answer.
a. begin at 18 and move 18 units to the right .
b. begin at 18 and move 18 units to the left.
c. begin at -18 and move 18 units to the left.
d. begin at 0, move 18 units to the right, then move 18 units to the right again.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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How can you use a number line to show that 18 + ( -18) = 0? plz explain your answer.
a. begin...
a. begin...
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