Bev93
Bev93 Bev93
  • 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

Let A={2,3} and B= {7,8}.write the power set of AxB.
Explain why hydrogen and oxygen are considered elements whereas water is not considered an element.
what skills do strong academic writers possess
What do u mean by atmospheric pressure
Why do some countries have to adopt more than one standard time ?
what is the difference between aquaculture and pisciculture?
what is the meaning of NADPH2
Identify the domain and rangewith steps please (picture below)
Any number that is divisible by 3 is also divisible by 6.Find a counterexample to show that the conjecture is false. 21182412
i know that earth is spinning very fast but why don't we fell  it spinning ?