Question

Solve for x
a) 3^x= 300
b) 30*5^1-x = 0.15
c) 3^x+2 = 2^1-x

Answer 1

b) 30 * 5^1- x = 0.15
30 * 5 - x= 0.15
150 - x = 0.15
-x = 0.15 - 150
= -149.85
x = 149.85

Answer 2

Sorry, couldn't get the other answers.

Answer 3

hmm i think your supposed to use use logarithms??-- but thanx anyways!