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Mathematics 14 Online
OpenStudy (anonymous):

Solve the absolute value equation |2n + 15| = 1. One solution is n = -7. What is the other solution?

OpenStudy (anonymous):

-8

OpenStudy (anonymous):

wait isnt it postive 8?

OpenStudy (anonymous):

nope

OpenStudy (anonymous):

No, that would be abs(31)=1

OpenStudy (anonymous):

to do this we can say that 2n + 15 = 1 and 2n + 15 = -1 because in absolute value, it makes it positive

OpenStudy (anonymous):

oh i get it thnx

OpenStudy (anonymous):

you're welcome

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