anonymous
  • anonymous
Find a solution to the following system of equations. -5x + 2y =9 3x + 5y =7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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campbell_st
  • campbell_st
can you use any method... or is there a specific method
anonymous
  • anonymous
these are the choices they gave me (–1, 2) (–9, 7) (0, 1) (1, 7)
campbell_st
  • 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
  • anonymous
Can you help me with graphing
campbell_st
  • campbell_st
just type the equation as its written it will graph it for you
anonymous
  • anonymous
okay what do I do after that?
anonymous
  • anonymous
@Nnesha
campbell_st
  • campbell_st
just look at the graph and find the point where the lines intersect
anonymous
  • anonymous
I don't understand..
anonymous
  • anonymous
@kropot72
anonymous
  • anonymous
@satellite73
kropot72
  • kropot72
Did you go to the link that @campbell_st gave you, and typed in the equations?
anonymous
  • anonymous
Yeah but I just don't know what am I supposed to do after that
kropot72
  • kropot72
Did you get this?
1 Attachment
kropot72
  • 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
  • anonymous
it says -1, 2 & 0, 1.4
kropot72
  • 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
  • kropot72
@proud_yemeniah_ Do you understand now?
anonymous
  • anonymous
oh okay yes thank you :)
kropot72
  • kropot72
You're welcome :)

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