Fraction problems

Question

the denominator of a fraction is one more than twice the numerator. The value of the fraction is 6/7 if the numerator is increased by 5 and the denominator is decreased by 6. Find the fraction. 

Answer 1

n / (2n + 1)                original fraction

(n + 5) / (2n + 1 - 5)  altered fraction

(n + 5) / (2n + 1 - 5) = 6/7

 

Can you solve for n and answer?