petertsymbalyuk2007 petertsymbalyuk2007

25-04-2021
Mathematics

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What value of y makes the equation 4x – 3y = 17 true, when x = 2What value of y makes the equation –2x + y = –8 true when x = 4?

Respuesta :

26-04-2021

Answer:

1) y = -3

2) y = 0

Step-by-step explanation:

1) When x = 2

4x – 3y = 17

4(2) - 3y = 17

8 - 3y = 17

-3y = 17 - 8

-3y = 9

y = -3

2) When x = 4

–2x + y = –8

-2(4) + y = -8

-8 + y = -8

y = -8 + 8

y = 0

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