Solve for X: 3^x + 7= 14

Question

a) 0.873

b) 1.771

c) 0.565

d) 1.146

Answer 1

3^x + 7 = 14

3^x = 7

Take the log of both sides

ln(3^x) = ln(7)

xln(3) = ln(7)

x = ln(7)/ln(3) = 1.771 --> Answer b)