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Mathematics 15 Online
OpenStudy (anonymous):

Help me?

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

|dw:1426028903584:dw|

OpenStudy (anonymous):

A. n= -50 B N= -32 C. N= 32 D N=50

OpenStudy (anonymous):

where is n in the equation

OpenStudy (jdoe0001):

\(\large -\cfrac{5}{4}n=40\quad or\quad \cfrac{5}{4}n=40 ?\)

OpenStudy (anonymous):

N is next to 5 - - N - 4

OpenStudy (anonymous):

The first one

OpenStudy (anonymous):

-32 that's the answer

OpenStudy (anonymous):

Did that help

OpenStudy (jdoe0001):

well.. you'd firstly multiply both sides by "4" then divide them by " -5 " thus \(\large { -\cfrac{5}{4}n=40\implies \cfrac{-5}{4}n=40\quad {\color{brown}{ \times 4 }} \\ \quad \\ {\color{brown}{ \cancel{4} }}\times \cfrac{-5}{\cancel{4}}n=40\times {\color{brown}{ 4 }}\implies -5n=160\qquad {\color{brown}{ \div -5 }} \\ \quad \\ \cfrac{\cancel{-5}n}{\cancel{{\color{brown}{ -5}}}}=\cfrac{160}{{\color{brown}{ -5}}} }\)

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