Actually Welcome to the concept of logarithms.
Since here the log is on both sides, we take antilog on both sides, so we get as,
==> 2-x = -5x - 18
==> -x + 5x = -18 -2
==> 4x = -20
==> x = -20/4
==> x = -5
hence, x = -5
Answer:
Step-by-step explanation:
g^-1(x)=5x/3 +5
20
1 hour=2 kg
10 hrs=10×2=20
Mark as brainliest please!