`(9n-(5n-3))/(8)=(2(n-1)-(3-7n))/(12)`
In the equation above, what is the value of n?

(2(n-1))/(3)-(3(n+1))/(4)=(n+3)/(2) In the equation above, what is the value of n^(2) ?

If 3^(n+4)-3^(n+2)=8 , then what is the value of n?

if 8/n=(20)/(n+9) , what is the value of n/8 ?

When 1/7n +3 =(-1)/5(n- 20) , what is the value of n?

If 3^(9)+3^(12)+3^(15)+3^(n) is a perfect cube, n in N ,then the value of n is

If the sum of the series 1+(3)/(2)+(5)/(4)+(7)/(8)+……+((2n-1))/((2)^(n-1)) is f(n) , then the value of f(8) is