Infinite Algebra 2 - Elimination Method - jmathshs

Algebra 2

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Elimination Method

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Solve each system by elimination.

1) -3x + 8 y = 15 -2x - 8y = 10

2) 10x + 9 y = -11 -10x - 8 y = 2

3) -3x + 2 y = -27 -x + 2 y = -21

4) 8x - 6 y = -4 8x - 4 y = -24

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5) 12x - 9 y = -21 -2x + 5y = 7

6) 4x - 6 y = -2 7x - 12 y = -14

7) -10x - y = 25 20x - 10 y = 10

8) 3x + 3 y = -18 -9x - y = 6

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9) 14 = 10y - 6x y = 3x - 13

10) 3x = -21 + 3 y -4x + 14 = 3 y

11) 21 = 7 y - 14x 7x - 2y = -6

12) -10 = -8 y - 18x -9x = -25 + 2 y

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13) -10x - 9 y = 13 3x - 2y = 29

14) 2x - 4 y = 24 -3x + 3 y = -12

15) 7x + 4 y = -8 -8x - 7 y = 14

16) -4x + 3 y = 14 -7x - 5y = 4

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1) (-5, 0) 5) (-1, 1) 9) (6, 5) 13) (5, -7)

Answers to Elimination Method

2) (7, -9) 6) (10, 7) 10) (-1, 6) 14) (-4, -8)

3) (3, -9) 7) (-2, -5) 11) (0, 3) 15) (0, -2)

4) (-8, -10) 8) (0, -6) 12) (5, -10) 16) (-2, 2)

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