SOLUTION: Hi, could you please explain how to work problems like this, I do not know much about this type of algebra but I am trying to learn. 5) y = -x - 7 (-6, ) 6) y = 2x - 5 (

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Hi, could you please explain how to work problems like this, I do not know much about this type of algebra but I am trying to learn. 5) y = -x - 7 (-6, ) 6) y = 2x - 5 (      Log On


   



Question 771089: Hi, could you please explain how to work problems like this, I do not know much about this type of algebra but I am trying to learn.

5) y = -x - 7 (-6, )

6) y = 2x - 5 (-6, )

7) 2x + y = -9 ( , -1)

8) 4x + y = -19 ( , 5)

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The numbers in parentheses are partial ordered pairs. You are given one of the pair of coordinates. The first coordinate is always the value of and the second coordinate is always the value of (hence the name ordered pair).

So if you are given the first number in the ordered pair, replace in the given equation with that value and then do the arithmetic to find out the value of that results.

For example, your problem #5. Replace the with -6



Now do the arithmetic to determine the value of

Do the others the same way. In number 7 and 8, you are given the value of , so substitute for and then calculate .

John

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