Respuesta :

wolf1728

Answer:

A) .8x + .1y =-2

B) -.17x + y = -3.66

We multiply A) by -10

A) -8x  -y = 20  then add it to equation B)

B) -.17x +y = -3.66

-8.17x = 16.34

x = -2

-1.6 + .1y = -2

.1y = -.4

y = -4

Answer is C)

Step-by-step explanation: