avery815 avery815

01-10-2020
Mathematics

contestada

y = 3x + 10
y = -7x - 20

Respuesta :

BrainyAlice28 BrainyAlice28

01-10-2020

Answer:

x = -3

Step-by-step explanation:

3x + 10 = -7x -20

3x + 7x = -20 -10

10x = -30 /: (10)

x = -3

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