kani51
kani51 kani51
  • 04-03-2020
  • Mathematics
contestada

Use substitution to solve the system

2y - 8 = x

2x + 3y = -2

Respuesta :

dannielle
dannielle dannielle
  • 04-03-2020

Answer:

x=2y-8

We use the substitution of x in the second equation

2*(2y-8)+3y= -2

4y-16+3y=-2

7y-16= -2

7y= -2 +16

7y=14

y=14Ș7

y=2

so x= 2*2 -8

    x=4-8

    x=-4

the solution is  (x,y)=(-4, 2)

Step-by-step explanation:

Answer Link

Otras preguntas

using the concept of quadratic equations, solve the question below. Two positive numbers differ by 5 and the sum of the
What would the FISCAL policy action discussed in the article promote priced ability full employment and or economic growth
Which food provides high protein?
In which two ways did the Minoans influence later civilizations?
$4500 5.5% for 4 1/2 years
what is the irony in the chapter A Remarkable Rocket
show the expression x^2 -1x - 6 in factored form and explain what the solution would mean for the equation. Show your work, please.
3 Select the correct option to complete the narration of the dialogue between king and jester. Raghu: Don't be a fool!. Mira: Stop howling Ravi. If you want to
What is the next number 6,12,15,60,65,?
Assertion (A): Oxygen is essential for all aerobic forms of life.Reason (R): Free oxygen atoms combine with molecular oxygen to form ozone.​