# Systems of Equations

### Problems

Problem : Which ordered pair(s) in the set {(7, 5),(5, 7),(13, 11),(- 2, 17)} satisfy the following system of equations?

 10x + 7y = 99 y - x = 2

Problem : Which ordered pair(s) in the set {(2, 5),(2, -9),(5, 2),(- 5, -2),(- 5, 12)} satisfy the following system of equations?

 x + y = 7 x 2 + 3x = 10

Problem : Solve by graphing:

 y - 3x = -3 y - 4 = - (x + 2)

Problem : Solve by graphing:

 y = - x + 2 y + 1 = 4(x + 3)

Problem : Is the following system consistent or inconsistent? Dependent or independent?

 2x + 4y = 7 x + 2y = 7

Problem : Is the following system consistent or inconsistent? Dependent or independent?

 y = - x + 9 y = - x + 9

Problem : Is the following system consistent or inconsistent? Dependent or independent?

 3x - 7y = 6 9x - 21y = 18

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