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OpenStudy (anonymous):
negative 5/a plus 7/a
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OpenStudy (anonymous):
simplify
OpenStudy (astrophysics):
They have a common denominator so just add them as you would normally with a fraction.
OpenStudy (astrophysics):
\[-\frac{ 5 }{ a } + \frac{ 7 }{ a } = \frac{ ? }{ a }\]
OpenStudy (anonymous):
2/a?
OpenStudy (astrophysics):
Yeah!
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OpenStudy (anonymous):
\[\frac{ -5+7 }{ a }\] \[\frac{ 2 }{ a }\]
OpenStudy (anonymous):
thank you lots!!
OpenStudy (astrophysics):
Np :)
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