Question

Which of the following systems of equations is an example of one where substitution is the best method?

Answer 1

The answer is option D.

I hope this helps.

Answer 2

y = 2/7x +11

3x-4y = -24

Explanation:

We would want to use substitute on the last set of equations since the first equation is already solved for y. It is easy to substitute for y in the second equation