# Patience's front

Algebra Level pending

If $$c$$ and $$d$$ are the roots of the equation ${x^2}-{10ax}-{11b}=0$ and $$a$$ and $$b$$ are the roots of the equation ${x^2}-{10cx}-{11d}=0$ then find the value of ${a}+{b}+{c}+{d}$.

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