Find the solution of this system of equations 6x = 90 +3y x - 3y = 50 Show work please

asked Oct 9, 2018 58.3k views

3 votes

Find the solution of this system of equations

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

Show work please

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6 votes

$6x = 90 +3y\\ x - 3y = 50\\\\ -6x+3y=-90\\ \underline{x-3y=50}\\ -5x=-40\\ x=8\\\\ 8-3y=50\\ 3y=-42\\ y=-14$

Mmgross answered Oct 10, 2018

8.1k points

6 votes

I did it using elimination method.

Ausi answered Oct 16, 2018

by Ausi

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