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2 November, 12:53

Which of these strategies would eliminate a variable in the system of equations?

{

5

x

+

3

y

=

9

4

x

-

3

y

=

9

















5x+3y=9

4x-3y=9

+5
Answers (1)
  1. 2 November, 12:57
    0
    Answer:Add the equations. 3y and - 3y will cancel.

    Step-by-step explanation:

    Then you are left with 9x = 18. Solve for x by dividing both sides by 9 to get x=2. Substitute 2 in place of x in either of the original equations to solve for y.
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