Alvonjugush7 Alvonjugush7

29-04-2021
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given that x is equals to -2 find the value of y and z for the simultaneous equation x+-z=-1, x-2y+z=-7

Respuesta :

kritika3375 kritika3375

29-04-2021

Answer:

Explanation:

given

x = - 2

Then

x + ( - z) = - 1

-2 - z = - 1

- z = - 1 + 2

z = - 1

now

x - 2y + z = - 7

- 2 - 2y - 1 = - 7

- 3 - 2y = - 7

- 2y = - 7 + 3

- 2y = - 4

y = 2

hope it helps :)

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