lacey112298 lacey112298

01-06-2015
Mathematics

Answered

Which method would be the simplest way to solve the system? 7x + 5y = 19, -7x – 2y = -16

Agraphing
Bsubstitution
Celimination
Ddistributive

Verified Answer :

Panoyin Panoyin

01-06-2015

7x + 5y = 19
-7x - 2y = -16
       3y = 3
      3    3
   y = 1
7x + 5y = 19
7x + 5(1) = 19
   7x + 5 = 19
     -5    - 5
       7x = 14
      7 7
   x = 2
   (x, y) = (2, 1)
The method would be a elimination method (the answer is C).

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