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OpenStudy (anonymous):
Simplify each expression all the way, showing all work: -(20 + d) = -(9 - 7c) = -(-m + n + 1) +
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OpenStudy (dangerousjesse):
These look incomplete
OpenStudy (anonymous):
Oh the last one is supposed to end with an equal sign, not an addition symbol.
OpenStudy (anonymous):
Sorry :(
OpenStudy (dangerousjesse):
Haha no problem ;P
OpenStudy (dangerousjesse):
The first one is just -d-20
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OpenStudy (dangerousjesse):
All you do is |dw:1409791221590:dw|
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