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24-06-2019
Mathematics

contestada

What is the solution to
y=-3x + 6
y = 9
(-21, 9)
O (9,-21)
• (-1,9)
(9, -1)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

24-06-2019

Answer:

(-1,9)

Step-by-step explanation:

y=-3x + 6

y = 9

We know that y=9

Substitute that into the first equation

9 = -3x+6

Subtract 6 from each side

9-6 = -3x+6-6

3 = -3x

Divide by -3

3/-3 =-3x/3

-1 =x

x=-1, y=9

(-1,9)

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