Respuesta :

We have to solve this equation:

[tex]D-37=40[/tex]

We can solve it for D by adding 37 on both sides of the equation as this won't change the equality:

[tex]\begin{gathered} D-37+37=40+37 \\ D=77 \end{gathered}[/tex]

Answer: D = 77

The answer is simply 77!