[ Answer ]

[ Explanation ]
-17 +
= -15
Add 17 To Both Sides:
-17 +
+ 17 = -15 + 17
Simplify:
= 2
Multiply Both Sides By 8:
= 2 · 8
Simplify:
B = 16
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<h3><em>
Answer:</em></h3><h3><em>y + 1 = -5(x-4)</em></h3><h3><em>Explanation:</em></h3><h3><em>Point-slope form is shown here:</em></h3><h3><em>Since we have the value of one point and the slope, we can plug those into the formula:</em></h3><h3><em>y-(-1)=-5(x-4)</em></h3><h3><em>And we can simplify that to:</em></h3><h3><em>y + 1 = -5 (x-4)</em></h3><h3><em /></h3><h3><em>Hope this helps!</em></h3>
You can only change them 16 times.