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Mathematics 19 Online
OpenStudy (anonymous):

7y+5=-(-7y-5)

OpenStudy (kl0723):

\[7y+5=7y+5\]

OpenStudy (kl0723):

just think of the negative outside the parenthesis as a negative one that you multiply with each term inside of it

OpenStudy (kl0723):

\[-1(-7y-5)\]

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