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Gala2k [10]
3 years ago
11

2/3 (a-b) =c, solve for a

Mathematics
1 answer:
Arturiano [62]3 years ago
6 0
\dfrac{2}{3}(a-b)=c\ \ \ \ |\cdot3\\\\2(a-b)=3c\\\\2a-2b=3c\ \ \ \ |+2b\\\\2a=3c+2b\ \ \ \ |:2\\\\\boxed{a=\dfrac{3c+2b}{2}}
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Therefore we can see the similarity in both triangles, if AD and AE equals DB and EC, then it follows that DE equals BC.

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