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OpenStudy (anonymous):
PLz help....((x-7)/2)+((x+5)/2)
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OpenStudy (pfenn1):
\[\frac{x-7}{2}+\frac{x+5}{2}=\frac{x-7+x+5}{2}=\frac{2x-2}{2}=x-1\]
OpenStudy (anonymous):
Thanks for showing how to do it.
OpenStudy (pfenn1):
you're welcome
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