Using the numbers [7, 5, 25, 9], create an equation that equals 34. You can use basic arithmetic operations (+, -, *, /) and each number can only be used once. Show your work in <think> for logical reasoning and code representation, if needed. And return the final equation and answer in a <answer> tag, for example <answer> (1 + 2) / 3 = 1 </answer>.