04-03-2020
Mathematics

contestada

Use substitution to solve the system

2y - 8 = x

2x + 3y = -2

Respuesta :

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

How far something moves in a specific amount of time?

sixteen action figures are arranged equally on 2 shelves. How many action figures are on each shelf?Model the problem with both an array and a labeled tape diag

Factor each completely? A2-7a-18

Betty gets paid 25 cents per paper to deliver newspapers in her neihborhood. When Betty is sick, she pays her brother Bob 10 cents per paper to deliver for her.

which of the following marked the achievement of a long-held suffragist goal in the early 1900s ?

Tells more about another noun

What was one major effect of industrialization on American society?

Which sentence contains both an adverb and a conjunction? A. Lucille was a kind person, but she hated people who spread rumors. B. Lawson crept silently u

7 - 3 = -x + 1 Solve for X.

7849 rounded with the 7 underlined