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

What is the volume of the sphere below?
Compared to bondholders, stockholders are generally… Group of answer choices Face lower risk and have the potential for higher returns. Face higher risk but r
A point H is 20m away from the foot of a tower on the same horizontal ground. From the point H, the angle of elevation of the point (P) on the tower and the top
Two-ninths of the total number of batteries in Richard's desk drawer is made up of 16 batteries. How many batteries are there in the drawer?
A rectangle measures 6 cm by 4 cm. Another rectangle with adjacent sides 8 cm and x cm is geometrically similar to it. Find the two possible value of x.
determine the mass densiry (kg/m3) if 1911 pounds of a substance has a volume of 33.6 gallons
Spencer Co. has a $280 petty cash fund. At the end of the first month the accumulated receipts represent $51 for delivery expenses, $159 for merchandise invento
Given a line segment that contains the points A,B,& C in order, if AB = x + 12, and Bo2.4, and AC = 26 = ?
2. He..... me home in his car.​
Why did voting rights become a central issue in the Civil Rights Movement?