21-04-2020
Mathematics

contestada

Solve the following system via elimination
3x - y = 28
3x+y=14

Respuesta :

krusebach370 krusebach370

21-04-2020

Answer:

Point Form:

( 7 , − 7 )

Equation Form:

x = 7 , y = − 7

Step-by-step explanation:

Answer Link

jarquetta jarquetta

21-04-2020

Answer:

x=7,y=-7

Step-by-step explanation:

1: add the equations

3x+3x+y-y=28+14

6x=42

x equals 7

2:plug that in to get y

3(7)-y=28

21-y=28

-y=7

y=-7

Answer Link

Otras preguntas

helppppp I really need help

What two groups of people who were still prohibited from voting? HELP PLEASE QUICK!!

if you make a circle and one part is 100 the other part is 120 what is the other part

Can someone pls help me with this question

A large plastic cylinder with mass 30.0 kg and density 395 kg/m3 is in the water of a lake. A light vertical cable runs between the bottom of the cylinder and t

What does Jem finally reveal to Atticus?

I need this ASP. Its a vocab the ones on the left are the definitions and the options on the right are the words

T (1,3) translations on a coordinate plane

a sale girl receive a 5% commission on all she self. how much she has to sell to receive $15

Last question somebody plz help me