Question

3.4-2.8d+2.8d-1.3 Combine like terms

Answer 1

Answer: 2.1

Explanation:

3.4 - 2.8d + 2.8d - 1.3

add the variables together and the coefficients or add the d's with d's and 3.4 with 1.3

= 3.4 - 1.3 = 2.1

=2.8d - 2.8d = 0

The final answer would be 2.1