# Answer to Question #11887 in Algebra for Sadia

Question #11887

if x=(p+q)/(p-q), then x-1=?

Expert's answer

x-1=(p+q)/(p-q)-1=(p+q-(p-q))/(p-q)=(p+q-p+q)/(p-q)=(q+q)/(p-q)=2q/(p-q)

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