What is the value of y in the system of equations shown below?

7x − 7y = 49
3x − 16y = 34

select one:
a. -2
b. -1
c. 0
d. 1

B. -1

Step-by-step explanation:

Given

Now multiplying equation 1 with 3 on both side we get,

Now Subtracting above equation 3 from equation 2 we get.

answer:

c) the x-coordinate of the center of the circle increases by 3

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