anonymous
  • anonymous
A. When solving the system of linear equations 6x+y=1 and 7x+2y=-3 with substitution, it is easiest to first solve the equation __________ for ______. When this is done, ______ is equal to _____. B. What is the solution to the system of linear equations in part A?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
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anonymous
  • anonymous
@PFEH.1999 do you know how to do this?
austinL
  • austinL
6x+y=1 for y y is equal to -6x+1
anonymous
  • anonymous
@austinL is that the solution to the systems?

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austinL
  • austinL
You should be able to solve that easily on your own by plugging in what we calculated from the first equation into the second equation. Solve for y, and then once you solve for y, you can plug that into one of the original equations and solve for x.
anonymous
  • anonymous
@austinL so for part A what would the blanks be? thats the part that i really dont understand because of the different signs
austinL
  • austinL
I answered that in my first post.
anonymous
  • anonymous
i am so sorry, i understand what your first post meant now. thank you very much, i really appreciate all of your help. my pre cal class is online and self taught with no textbook and im horrible at math so im trying to understand everything still! Would B be -5x=-5? @austinL
austinL
  • austinL
x=1, correct. Then you plug x=1 into one of the original equations and then solve for y.
anonymous
  • anonymous
so would the answer to B be x=1 and y=-5? like as the final answer? @austinL
austinL
  • austinL
Correct.
anonymous
  • anonymous
thank you so much @austinL ! you're awesome!!
austinL
  • austinL
No problemo!

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