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- anonymous

Find a solution to the following system of equations.
-5x + 2y =9
3x + 5y =7

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- anonymous

Find a solution to the following system of equations.
-5x + 2y =9
3x + 5y =7

- katieb

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- campbell_st

can you use any method... or is there a specific method

- anonymous

these are the choices they gave me
(–1, 2)
(–9, 7)
(0, 1)
(1, 7)

- campbell_st

ok... so a easy choice is graphically... so graph the lines and find the point of intersection
use this site to graph them
https://www.desmos.com/calculator

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- anonymous

Can you help me with graphing

- campbell_st

just type the equation as its written it will graph it for you

- anonymous

okay what do I do after that?

- anonymous

- campbell_st

just look at the graph and find the point where the lines intersect

- anonymous

I don't understand..

- anonymous

- anonymous

- kropot72

Did you go to the link that @campbell_st gave you, and typed in the equations?

- anonymous

Yeah but I just don't know what am I supposed to do after that

- kropot72

Did you get this?

- kropot72

What is the x-value where the red and the blue lines intersect?
What is the y-value where the red and the blue lines intersect?
These values give the solution.

- anonymous

it says -1, 2 & 0, 1.4

- kropot72

You need to look at only one of the dots, that is the dot where the red and the blue lines intersect. You have correctly identified this point as (-1, 2) which is the solution to the system of equations. The other ordered pair (0, 1.4) is the y-intercept and is not a solution.

- kropot72

@proud_yemeniah_ Do you understand now?

- anonymous

oh okay yes thank you :)

- kropot72

You're welcome :)

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