franchescamena912 franchescamena912

22-11-2019
Mathematics

contestada

X+y=3
8x+y=-4
System of equation by graphing

Respuesta :

Yang100 Yang100

01-12-2019

Answer:

x=-1, y=4. (-1, 4).

Step-by-step explanation:

x+y=3

8x+y=-4

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

y=3-x

8x+(3-x)=-4

8x+3-x=-4

7x+3=-4

7x=-4-3

7x=-7

x=-7/7=-1

-1+y=3

y=3-(-1)=3+1=4

x=-1, y=4. (-1, 4).

Answer Link

Otras preguntas

How many lizards were caught per 100 traps in 1989?

1. What attracted Romans to Christianity?

how does quantitative prove their hypothesis

can you help me figure this out please

what exact date were the intolerable acts repealed?

Evaluate the expression |- 178|

what expressions have a value of 16/81

Kevin has 65 feet of fencing. He wants to use all the fencing to create a rectangular fence around his pool. The equation 2L + 2W = 65, where l is the length of

Locating valid data about health products and services is * communication accessing information analyzing influences stress management

C Why did Bienville stay behind in Louisiana when Iberville returned to France? Check all that apply. to rest and heal from his bout with smallpox to protect Fr