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Mathematics 18 Online
OpenStudy (anonymous):

simplify. [-7 + (-1)] + [-(-7 + 1)]

OpenStudy (anonymous):

-8 + 6 = -2

OpenStudy (lgbasallote):

\[\small [-7 + (-1)] + [-(-7+1)] \implies [-7 - 1] + [-(-6)] \implies -8 + [-(-6)] \implies -8 + 6 = -2\]

OpenStudy (anonymous):

what about.. 3 + (-5/2) + (-7/2)

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