-21.8+18.3
or 18.3-21.8
or the answer which is -3.5
Move all the logarithms on the left hand side, and all the constants on the other:

Use the rule of logarithms

To rewrite the equation as

Evaluate 2 to the power of each side:

Multiply both sides by 2x:

Answer:
Step-by-step explanation:
y > - x + 3
y ≤ 2x - 2
Answer:
$39.15
Step-by-step explanation:
87 x .55 = 47.85
87-47.85= 39.15
First answer is the correct answer