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

Can someone help me with this?? I don’t understand how to do this
With this diagram, what could be the values of m and n (Picture)?
how many cookies will tony have if he bakes 5 more batches? y=90 + 14(x)
Which of the answer choices places the following synonyms in order of intensity, from least intense to most intense: implore, inquire, beg?
Which battle was one of the few victories that native Americans had over us troops in the 19th century
Plasticity refers to the amount of change that is possible or the capacity for change
Which type of atom is expected in the reactants of this chemical reaction? ? Fe2O3
Does anyone know these?
Iman has 6 packs of cards . Mateo has 10 packs of cards. between the two of them, they have 128 sports cards . how many sports cards does each child have? expla
Which skills would be the most beneficial for a computer help desk technician? A. writing skills B. research skills C. problem-solving skills D. math skills