LLarcie LLarcie

24-01-2020
Mathematics

contestada

Solving system of equation by substitute

1. -4x + y = 6
-5x - y = 21

2. -5x + y = -2
-3x + 6y = -12

Respuesta :

ishaun100385 ishaun100385

24-01-2020

Answer:

6

Step-by-step explanation:

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