janetrprescott janetrprescott

17-04-2020
Mathematics

contestada

solve the system equations -x-y=0 and 6x-5y=66 by combining the equations

Respuesta :

nurijetaam nurijetaam

17-04-2020

Answer:

x,y(6.-6)

Step-by-step explanation:

{x=-y

6(-y)-5y=66

-6-5y=66

11y=66

y=6

-x-y=0

x=-y;

x=-6

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