Answer:
D. 11
Step-by-step explanation:
Add all the numbers and divide by 4
<h3>
<u>Explanation</u></h3>

- Solve the equation for d-term.
Because we cannot subtract or add up constants and variables, we simply move the same variable term to the same side and constant term to the same constant side.

Substitute d = -11 in the equation.

The equation is true for d = -11.
<h3>
<u>Answer</u></h3>
<u>
</u>
Answer:
since the denominators are the same we add 3 and 7 in the numerator to get 10/8 or 1 2/8, and we can simplify to 5/4 or 1 1/4.
Hope this helps and brainliest please