Since the lines are parallel and you know the slope of 
is -2, you know the slope of line 
will also be -2. You can see on the coordinate grid that line crosses the y-axis at -1. When you piece all of these facts together into slope-intercept form you get = -2x - 1.
One number is eight less than three times another number. If the sum of the numbers is 20, find the numbers.
1 answer:
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Answer:
2) -5/7
Step-by-step explanation:
=
cross-multiply to get:
10 = -14n
-10/14 = n
n = -5/7 (simplified)