leidy16ruano502 leidy16ruano502
  • 01-10-2020
  • Mathematics
contestada

Help me please
Solve the system algebraically using substitution.

Help me please Solve the system algebraically using substitution class=

Respuesta :

viaali81381
viaali81381 viaali81381
  • 01-10-2020

Answer:

y = 5/3

x = 8/3

Steps:

y = x - 1

2x + y = 7

Substitute y = x-1

(2x + x - 1 = 7)

Simplify: 3x - 1 = 7

Isolate x: 3x - 1 = 7:  x=8/3

Plug the valuse of x into the other equation (y = x- 1):    y = 8/3 - 1

8/3 - 1 = 5/3

y = 5/3

y = 5/3, x = 8/3

Answer Link

Otras preguntas

Greatest common factor or common factor for 27 and 63
Write an equivalent expression for 8+7y+2x+4y+4
Unlike clip art, you cannot resize a photograph using the mouse. a. True b. False
An individual can reduce the amount of risk associated with an investment program by using: a. an investment timer. b. asset allocation. c. a portfolio picke
the component of exercise that's most often overlooked is
The cochlea, Hair cells, Ossicles, The pinna can be damaged by loud noises.
The circumfrence of a circle is 16TT
what positons do the earth have to be in for each season
the big bang theory states that the universe began with a gigantic explosion ?
A game room has a floor that is 120 feet by 75 feet. A scale drawing of the floor on grid paper uses a scale of 1 unit:5 feet. What are the dimensions of the sc