Question 181610
y=5x-4
(__,11) 
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since pairs of points are listed as (x,y)
your problem GIVES you the value of y as
y = 11
The question here is, what does 'x' equal to when y is 11?
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To find out, simply substitute the y with 11 and solve for x:
y=5x-4
11=5x-4
15=5x
3 = x
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So, filling in the blank:
(3,11)