solve the logarithmic equation. Remember to check for extraneous solutions:

Question

show step by step work:

log(-7x+55)=3

Answer 1

With no base, the given is 10.

10³ = -7x + 55

1000 = -7x + 55

-7x = 945

x = -135

log(-7(-135) + 55) = 3

log(1000) = 3