Answer:
b = -0.5
Explanation:
−3b + 2.5 = 4
-3b = 1.5
Let's check
-3(-0.5) + 2.5 = 4
1.5 + 2.5 = 4
4 = 4
So, b = -0.5 is the correct answer.
8.6m questions
11.2m answers