Answer :
Answer:
Step-by-step explanation:
What is 'symbolically' ???
log(x-4) - log(x+5) = - 1 Use laws of logs to reduce L side
log [(x-4)/(x+5) ] = -1 antilog both sides
(x-4)/(x+5) = 1/10 solve for 'x'
x-4 = 1/10 x + 1/2
9/10 x = 4 1/2
x = 5
Answer:
Step-by-step explanation:
What is 'symbolically' ???
log(x-4) - log(x+5) = - 1 Use laws of logs to reduce L side
log [(x-4)/(x+5) ] = -1 antilog both sides
(x-4)/(x+5) = 1/10 solve for 'x'
x-4 = 1/10 x + 1/2
9/10 x = 4 1/2
x = 5