Math Derivation: Solve for t - Calc 1 Help

[ikihi]

Homework Statement

solve for t

Homework Equations

A = P (1+r)^t + c[ ((1 + r)^{t+ 1} - (1 + r)) / r ]

The Attempt at a Solution

I've taken calc 1, but I've been away from math for years. I'm having trouble solving this for t

 

[Ray Vickson]

Homework Statement

solve for t

Homework Equations

A = P (1+r)^t + c[ ((1 + r)^{t+ 1} - (1 + r)) / r ]

The Attempt at a Solution

I've taken calc 1, but I've been away from math for years. I'm having trouble solving this for t

Try using $(1+r)^{t+1} = (1+r) \: (1+r)^t,$ then combine terms to isolate $(1+r)^t.$