Answer to Question #14470 in Algebra for Jaclyn

Question #14470

Make the variable in the bracket the subject of the given formula
1. a= (1+b)/(1-b) {b}

Expert's answer

a= (1+b)/(1-b) {b}
a(1-b)=1+b
a-ab=1+b
a-1=b+ab
b(a+1)=a-1
b=(a-1)/(a+1)

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