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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