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24 June, 02:37

Solve the following systems of inequalities and select the correct graph:

2x - y > 4

x + y < - 1

+1
Answers (1)
  1. 24 June, 04:23
    0
    We can replace the inequality with qual sign:

    2x - y = 4

    x + y = - 1

    We can combine both question

    3x = 3

    x = 1

    Since we know x = 1, we can solve for y by plug in in either equation:

    x + y = - 1

    1 + y = -1

    y = - 2

    or

    2x - y = 4

    2 (1) - y = 4

    -y = 2

    y = - 2

    So the solution of this system of equation is the coordinate (1, - 2)
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