scorpianprincep6qg06 scorpianprincep6qg06

06-04-2018
Mathematics

contestada

-6x+y=-2
x-3y=9 what is the solution set?

Respuesta :

altavistard altavistard

12-04-2018

Mult. the 2nd eqn by 6 and then add this "new" equation to the 1st given eqn:

-6x + y = -2
6x -18y = 54
--------------------
-17y = 52, or y = -52/17. Subst. this value of y into either equation to find the value of x.

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