Maths-
SAT
Easy

Question

2x − y = −4
2x + y = 4
For the solution of the system of equations above, what is the value of x ?

  1. -4
  2. -2
  3. 0
  4. 2

The correct answer is: 0


    2x – y = -4
                        2x + y = 4 
                         4x = 0
    x = 0

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