Sam5135 Sam5135
  • 21-02-2021
  • Mathematics
contestada

Solving systems of equations using substitution. y=2x+8. y=5-x

Respuesta :

beautifulmind2468
beautifulmind2468 beautifulmind2468
  • 22-02-2021

Answer:

(x, y) = (-1, 6)

Step-by-step explanation:

y = 2x + 8

y = 5 - x

Substituting the second equation into the first equation, we get:

5 - x = 2x + 8

5 = 3x + 8

-3 = 3x

x = -1.

So, y = 5 - (-1).

Simplifying, we get:

y = 6.

Answer Link

Otras preguntas

One third of a number t is equal to 7. write the word sentence as an equation
Zane weighs 50 kilograms. what is his weight in pounds? (the proportional relationship between kilograms and pounds is .)
A cinema sells adult tickets and child tickets. The total cost of 3 adult tickets and 1 child ticket is £30 The total cost of 1 adult ticket and 3 child ticket
Volume scale factor, help needed.
The function b(r)=7+4(r−1)b(r)=7+4(r−1) represents the number of bricks in row r of a structure. What does the value 7 represent in this situation? There are 7
Which of the following statements about the debate over cochlear implants is true? A. Many in the deaf community view deafness as a disability that should be tr
Can a 1 year old german shepherds be taught
Y = -2/5x - 3 in standard form
I don't understand this one either
david invested $25850 for 8 years and received $6204.00 in interest. At what rate did he invest if interest was calculated using the simple interest formula?