Respuesta :
Answer:
2.1
Step-by-step explanation:
Combining like terms:
- -2.8d and 2.8d which will cancel
and
- 3.4 and -1.3 which will result in 2.1 after subtraction
See steps below:
- 3.4 - 2.8d + 2.8d - 1.3 =
- (-2.8d + 2.8d) + (3.4 - 1.3) =
- 0 + 2.1 =
- 2.1