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

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

Respuesta :

Answer:

option c is the correct ans .

because we can easily substitute the value of y in equn 2 to get value of x..

Answer:

To me, the third one is the best.

Note:  y has  been made subject of formula which makes it easy to substitute it into equation 2 and find x .

Step-by-step explanation: