posted by k on .
how wod i solve the following two eqautions? either exactly or to 3 significant
a)2^x = 5
b)3^x+1 = 7
i know a) is 2.32 and b) is 0.771 but i don't know how to show it out step by step in how i worked it out .
can sum1 plz help me
You have to use logs, and learn how to do that on your calculator.
x+1= log3 7