emoryjoshua
emoryjoshua emoryjoshua
  • 15-01-2021
  • Mathematics
contestada

Use SUBSTITUTION to solve the system
2x+y=-2
5x+3y=-4

Respuesta :

jesuslovesyou1255
jesuslovesyou1255 jesuslovesyou1255
  • 15-01-2021

Answer:

x=-2,y=2

Step-by-step explanation:

2x+y=-2 ----> y=-2-2x----(1)

25x+3y=-4 ---(2)

Replace (1) in (2)

5x+3(-2-2x)=-4

5x-6-6x=-4

-x=-4+6

-x=2

x=-2

If x=-2,then replace x in (1)

y=-2-2(-2)

y=-2+4=2

Answer Link

Otras preguntas

HELP PLEASE GEOMETRY find X,Y,Z
True or False 1. Trabajar por una sociedad justa no es in tema esencial para los catolicos 2. Las obras de m
____ is hardware or software that enables one computer system to behave like another computer system.
An ice cream shop allows you to choose from 22 different flavors and 13 different toppings. if you get only one flavor and one topping, how many different combi
A tuna fish body is streamlined to reduce friction. Which describes the type of friction the fish must overcome?
How do you do all this ??
which article in the constitution discusses the obligations of the national government to the states? A.) Article 3 B.) Article 1 C.) Article 2 D.) Article 4
what did the treaty of Versailles mean for Germany and for europe
How many stanzas are in the poem “I Am Offering This Poem”? 1 4 6 8
When lisa was pregnant, she and her husband, joe, attended a series of eight classes that provided them with information about the physiology of childbirth and