gretaggustafson gretaggustafson

01-04-2020
Mathematics

contestada

Solve question 3 (a and b)
— solve each system of equations by elimination.

Solve question 3 a and b solve each system of equations by elimination class=

Respuesta :

ghanami ghanami

01-04-2020

Answer:

Step-by-step explanation:

hello :

6x+5y=-20.....(*)

-6x-10y=25.....(**)

add(*) and(**) : -5y=5 so y= -1

multiply (*) by 2 : 12x+10y=-40 ...(***)

now add(**) and (***) : 6x=-15 so x = -15/6 = -5/2

Answer Link

Otras preguntas

The electric charge that eventually forms lightning is built up due to _____. A. static electricity in the air B. sudden heating of the air C. the movement o

What is an action verb? a. an action verb comes before other verbs to show tense or mood. b. an action verb links a subject and its complement. c. an action

What was the end result of the Vietnam war? A.the united states stayed and defeated the Vietcong rebels B.the united states stayed and was defeated by viencong

The compound srbr2 contains how many atoms? 1 2 3 4

Jesse owns a sporting goods store that sells skis and snowboards. The store earns a profit of $52 for each ski sold and a profit of $64 for each snowboardsold.

What are the spiral arms of the Milky Way made of? A. Older stars and comets B. Variable stars C. Asteroids and comets D. Younger stars and gaseous nebulae

write a summary where you give the name of the biome you live in do research on your biome

Which choice shows the best way to join two independent clauses with a semicolon? My brother is a computer whiz; I can barely type my name. My brother knows

Who led the mormons west along the mormon trail in 1846?

what is the importance of ammonification?