I need help with this problem. I have trouble using log to isolate x. (4)(3^x) = (7)(5^x)
Follow Math Help Forum on Facebook and Google+
Given: Take the log of both sides: Property of multiplication in logarithms: Subtract from both sides: Subtract from both sides: Combine the two logs on the LHS: Carry down x (property of logarithm): Divide by on both sides:
Originally Posted by student4200 I need help with this problem. I have trouble using log to isolate x. (4)(3^x) = (7)(5^x) do you know the rules of logs? .................log both sides ...............since ............since now what?
View Tag Cloud