giavanna67
giavanna67 giavanna67
  • 02-03-2021
  • Mathematics
contestada

In systems by substitution what is y=x+8 and x+y=2

Respuesta :

AnimalPost
AnimalPost AnimalPost
  • 02-03-2021

Answer:

x = -3

Step-by-step explanation:

y = x + 8 and x + y = 2

Using substitution, we know that y = x + 8, so:

x + y = 2

x + (x + 8) = 2

2x + 8 = 2

2x = -6

x = -3

Then we solve for y:

x + y = 2

-3 + y = 2

y = 2 + 3

y = 5

Answer Link

Otras preguntas

What two outcomes of the Second Continental Congress unified the colonies?
4. Complete the sentences with the past of the verbs in (): a. I didn't (make) b. My friend coffee today! the day at home.(spend) c. Wallace beautiful present.
Determine the number of atoms of O in 42.2 grams of C₆H₁₂O₆.
Who was with God in the beginning? Group of answer choices Adam Lucifer The Word John
he disappeared in winter write it in negetive form​
Betty (mass 40 kg), standing on slippery ice, catches her leaping dog (mass 15 kg) moving horizontally at 3 m/s. what speed to they move after she catches her d
which shortcut key is used to insert a new slide in PowerPoint presentation​
Competing priorities, distractions, and information overload may contribute to: a) Stress b) Happiness c) Sleep quality d) Appetite control
Escribe una ecuacion para representar cada colgador
Openings in the earth where steam and water shoot high into the air are called ___a. Geysersb. Hot springsc. Fumarolesd. Mud pots