A pair of equations is shown below. x + y = 2 y = one halfx + 5 If the two equations are graphed, at what point do the lines representing the two equations intersect? (4, −2) (−2, 4) (2, 5) (5, −2) Please help I will fail if I dont do this plese help me

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A pair of equations is shown below. x + y = 2 y = one halfx + 5 If the two equations are graphed, at what point do the lines representing the two equations intersect? (4, −2) (−2, 4) (2, 5) (5, −2) Please help I will fail if I dont do this plese help me

Mathematics
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firstly, you want to make y the subject in the first equation " x + y = 2" :)
ok
Then what

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so can you tell me what it would be?
I know you isolate it but I do not really understand
\[x + y = 2 \rightarrow y = -x + 2 \] right? All i did was subtract "x" from both sides to make y the subject :)
ok then what
you do it to x also
so now we have two equations:|dw:1436241915931:dw|
but which answer is it (4, −2) (−2, 4) (2, 5) (5, −2) is what confuses me
you know what... here's an easier method. Just plug in the values for each option and see which one satisfies the equation. So for example.. the first option (4, -2), this means x = 4, y = -2 Plug this into the first equation " x + y = 2" 4 + (-2) = 2 4-2 = 2 2=2 So this works :) BUT you have to plug the points into the second equation " y = 1/2x + 5" 4 = 1/2 (-2) + 5 4 = -1 + 5 4 = 4 This works SOOO, since (4, -2) works.. this is your point of intersection
oooooooooooooooohhhhhhhhhhhhhhh that is easy
also, you got lucky that was the first option and it was the answer.When in doubt, plug it in. Don't just demand answers.lol

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