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Mathematics 9 Online
OpenStudy (anonymous):

What number line can you use to simplify 2 + (-8)

jimthompson5910 (jim_thompson5910):

start with a number line |dw:1444002143459:dw|

jimthompson5910 (jim_thompson5910):

the first number is '2' so plot a dot at 2 on the number line |dw:1444002270876:dw|

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