richirich14 richirich14

16-02-2021
Mathematics

contestada

y = 4x + 20 8x - 2y = -20
what is the solution and how is it that solution?

Respuesta :

16-02-2021

Step-by-step explanation:

y = 4x + 20

8x -2y = -20

8x - 2(4x + 20) = -20

8x - 8x - 40 = -20

8x - 8x = -20 + 40

0 = 20, so x = 0

y = 4x + 20

y = 4(0) + 20

y = 20

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