What does -43.7 + 9.06 equal?
2 answers:
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Use the slope equation: 
Plug in the points (2, 15) and (0, -1).
⇒ 
= 8
The slope of the line is 8.
Plug in the points (2, 15) and (0, -1).
The slope of the line is 8.
to solve for y, we must multiply by t on both side to get ride of the t in the denominator. By doing this, we will get:
on the right side.
Subtracting 3, and we have successfully isolated y.
It would be impossible to get a quantitative value for y if we don't know the value of t.
