SOLUTION: Determine if the given point is a solution: 6.x+y = 20 P (5,4) 7.x-y=20 P(30,10) 8.2x-y=20 P (5,5) 9.X+y=10 P (2,8) 10.2x+4y=10 P (1,2) PLEASE answer this question asap.

Question 476638: Determine if the given point is a solution:
6.x+y = 20 P (5,4)
7.x-y=20 P(30,10)
8.2x-y=20 P (5,5)
9.X+y=10 P (2,8)
10.2x+4y=10 P (1,2)

PLEASE answer this question asap. this is Homework.
tnks in advance.:)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Determine if the given point is a solution:
6.x+y = 20 P (5,4)
Sub 5 for x and 4 for y and see if it = 20
5 + 4 =? 20
It doesn't, so it's not a solution.
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Do the others the same way.
email via the Thank You note to check your work.
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7.x-y=20 P(30,10)
8.2x-y=20 P (5,5)
9.X+y=10 P (2,8)
10.2x+4y=10 P (1,2)

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