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Solve the system by substitution.

1.
5x + y = -17
-3x - 3y = 3

Solve the systems by elimination.

2.
x - y = 11
2x + y = 19

3.
-7x + y = -19
-2x + 3y = -19

4.
4x + 6y = 10
6x = 9y - 3

Respuesta :

1. (-4 , 3) : substitute way .
2. (10 , -1) : elimination way.
3. (26/7 , -26/7 ) : elimination way.
4. ( 1 , 1) : elimination way.
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Answer:

1. (-4 , 3) : substitute way .

2. (10 , -1) : elimination way.

3. (26/7 , -26/7 ) : elimination way.

4. ( 1 , 1) : elimination way.

Step-by-step explanation:

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