What is the x-value in the solution to this system of linear equations? 2x − y = 11 x + 3y = −5 −3 −1 2 4

          x = 4

Step-by-step explanation:

2x − y = 11      ⇒    -y = - 2x +11     ⇒      y = 2x - 11

x + 3y = -5

x + 3(2x - 11) = -5

x + 6x - 33 = -5

       +33       +33  

7x = 28

 ÷7     ÷7

 x = 4

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