Solve the following system of equations by elimination. Express the solution as an ordered pair (x, y). -x- 3y = 20 4x + 3y = 1

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asked Dec 24, 2021 221k views

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Bjorninn · Answer 1 · 2021-12-27T20:26:26+0000

Add the two equations together with the same variables

-x+4x=3x
-3y+3y=0
20+1=21

You now get

3x=21

Divide and find x =7

Plug in x to the equation to find y
Y=-9

(7,-9)

Solve the following system of equations by elimination. Express the solution as an ordered pair (x, y). -x- 3y = 20 4x + 3y = 1

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Solve the following system of equations by elimination. Express the solution as an ordered pair (x, y). -x- 3y = 20 4x + 3y = 1​

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Solve the following system of equations by elimination. Express the solution as an ordered pair (x, y). -x- 3y = 20 4x + 3y = 1