Sorality Sorality

01-07-2017
Mathematics

contestada

Find the solution of this system of equations

6x = 90 +3y
x - 3y = 50

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konrad509 konrad509

01-07-2017

[tex]6x = 90 +3y\\ x - 3y = 50\\\\ -6x+3y=-90\\ \underline{x-3y=50}\\ -5x=-40\\ x=8\\\\ 8-3y=50\\ 3y=-42\\ y=-14 [/tex]

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fakeclogg fakeclogg

01-07-2017

I did it using elimination method.

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