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Mathematics 18 Online
OpenStudy (anonymous):

2y=4 -x=-3 What is the solution to this system of equations?

OpenStudy (anonymous):

first, can you simplify the equations in terms of y and x respectively?

OpenStudy (anonymous):

what does that mean?

OpenStudy (anonymous):

like for 2y=4, you can divide both sides by 2 and get y=2 which is the simplified version of 2y=4

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

okay, so the 2 simplified equations would be y=2 and x=3. do you know what each of these lines look like?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

|dw:1367360527220:dw| notice how all the x values on the line x=3 are 3 while the y values on teh line y=2 are 2

OpenStudy (anonymous):

now can you find the point of intersection?

OpenStudy (anonymous):

yes it would b (3,2)

OpenStudy (anonymous):

correct!

OpenStudy (anonymous):

yay! thank you!

OpenStudy (anonymous):

no problem

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