Question

Evaluate Dx.
2x + 4y = 12
3x + 5y = 14
need help

Answer 1

Dx?

Answer 2

Evaluate with what?

Answer 3

You haven't given any (x,y) values to input so we can evaluate..

Answer 4

Do you mean solve the system?

Answer 5

yes i did

Answer 6

what is evaluating Dx?

Answer 7

replay the x row with the right side of the equals

Answer 8

[2 4]
[3 5]

Answer 9

\[
\det \begin{vmatrix}
12&4\\
14&5
\end{vmatrix}
\]

Answer 10

thanks

Answer 11

oh my i didnt realize thats what he meant