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Murrr4er [49]
3 years ago
10

What is y=-x-20 and y=x+17 point of intersection

Mathematics
1 answer:
Alenkasestr [34]3 years ago
8 0

Answer:

Point\ of\ intersection\ is\ (-\frac{37}{2},-\frac{3}{2}).

Step-by-step explanation:

Point of intersection: The point which satisfies both the equations is the point of intersection

y=-x-20\\\\y=x+17\\\\add\ these\ two\ equations\\\\y+y=-x-20+x+17\\\\2y=-3\\\\y=-\frac{3}{2}\\\\y=x+17\\\\x=y-17\\\\x=-\frac{3}{2}-17\\\\x=-\frac{37}{2}\\\\Point\ of\ intersection\ is\ (-\frac{37}{2},-\frac{3}{2}).

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