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Solve a system of equation by elimination
1. 4x+5=21 4x-2y=14

2. 5x+4y=45 -5x4y=35

3. 4x+3y=-10. -4x+y=-30

Respuesta :

madethisfortwitch1

Answer:

1: (4,1) x=4 y=1

2: (1,10) x=1 y=10

3: (-25/4,5) x= -25/4 y=5

Step-by-step explanation:

It would be a lot to explain all three so if you really need it just ask

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