ash3316 ash3316

16-11-2019
Mathematics

contestada

What is the result of subtracting the second equation from the first?
-2x+y=0
- 7x + 3y = 2

Respuesta :

jimrgrant1 jimrgrant1

16-11-2019

Answer:

5x - 2y = - 2

Step-by-step explanation:

Given the 2 equations

- 2x + y = 0 → (1)

- 7x + 3y = 2 → (2)

Subtracting (2) from (1) term by term

- 2x - (- 7x) + y - 3y = 0 - 2, that is

- 2x + 7x - 2y = - 2

5x - 2y = - 2

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