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OpenStudy (anonymous):
The line ax+(a+1)y=a+2 passes through the point (4,-8). Find a.
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OpenStudy (anonymous):
You would plug in -8 to the y and 4 to the x.
OpenStudy (vishal_kothari):
-2
OpenStudy (anonymous):
So if you plugged in the numbers, your equation would become \[a(4) + (a+1)(-8) = a + 2\] Solve that for a, and you get -2.
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