SOLUTION: The ordered pair (-2,-1) is a solution of which of the following?
a. 4x+y=7
b. -4x-=7
c. 4x+y=-7
d. 4x-y=-7
e. -4x+y=-7
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Question 252010: The ordered pair (-2,-1) is a solution of which of the following?
a. 4x+y=7
b. -4x-=7
c. 4x+y=-7
d. 4x-y=-7
e. -4x+y=-7
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Just plug in (-2,-1) each of the equations and see which one comes up with an answer that is equal
(-2,-1) means x=-2 and y=-1
for example
2x-6y=5
2(-2)-6(-1)=5
-4+7=5
3=5
3 is not equal to 5 so(-2,-10 is not on the line and is not a solution to 2x-6y=5
The ordered pair that works for you will end up either 7=7 or -7=-7
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