Answer :
Answer:
- b = 9.12
Step-by-step explanation:
Simplify the second expression and compare with the first one:
- - 3.2(4x - 2.1) + 2.4 =
- - 12.8x + 3.2*2.1 + 2.4 =
- - 12.8x + 6.72 + 2.4 =
- - 12.8x + 9.12
Comparing with the first expression the value of b is:
- b = 9.12