Question

What is (12.2a + 9.7b) – (18.1b – 0.2a) – (6.7a + 6.8b), simplified?

Answer 1

its B

Explanation:

Answer 2

5.7a - 18.2b

Explanation:

Step 1: Write the equation

(12.2a + 9.7b) – (18.1b – 0.2a) – (6.7a + 6.8b)

Step 2: Open all brackets

12.2a + 9.7b - 18.1b + 0.2a - 6.7a - 6.8b

Step 3: Arrange all 'a' together and all 'b' together

12.2a + 0.2a - 6.7a + 9.7b - 18.1b - 6.8b

Step 4: Simplify

5.7a - 18.2b

!!