bellavazz bellavazz

14-11-2018
Mathematics

contestada

x+3y=-5
4x-y=6
Solve using elimination

Respuesta :

wickedpoppy17 wickedpoppy17

14-11-2018

x+3y=-5

4x-y= 6

--------------------

-4(x+3y=-5)

4x-y=6

-----------------------

-4x-12y=20

4x-y=6 the 4 y's will eliminate each other

--------------

0 -13y=26

-13y=26

y=26/-13

y=-2

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