Question

Combine like terms to create an equivalent expression.
3.4-2.8d+2.8d-1.3

Answer 1

Answer: 2.1

Step-by-step explanation: First you have to do -2.8d+2.8d. That equals zero. That means that the expression now is 3.4-0-1.3. 3.4-0=3.4. Which means now the expression is 3.4-1.3 and 3.4-1.3 is 2.1.  

Hope this helped! :)