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OpenStudy (anonymous):
What is the value of the expression –12 – 3 + 9?
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OpenStudy (astrophysics):
Just go left to right bud
OpenStudy (astrophysics):
-12-3, then (-12-3)+9
OpenStudy (anonymous):
okai thanks the answer would be 0 right?
OpenStudy (astrophysics):
Nope! What is -12-3?
OpenStudy (anonymous):
-9 but it would end up being a positive.?
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OpenStudy (astrophysics):
Nope, here think of this number line |dw:1449863895751:dw| notice we are subtracting 3 from -12 not adding
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