kaidelhaj13 kaidelhaj13
  • 13-02-2017
  • Mathematics
contestada

Solve using substitution.

-5x + y = 16
7x – 6y = 19

Respuesta :

vegaxie000
vegaxie000 vegaxie000
  • 13-02-2017
-5x+y=16
y=5x+16
7x-6(5x+16)=19
7x-30x-96=19
-23x-96=19
-23x=(19+96)
-23x=115
x=(115/-23)
x=-5
-5(-5)+y=16
25+y=16
y=(16-25)
y= -9

Answer Link

Otras preguntas

please help and is so show work , THANK YOU SO MUCH !!!
A model is made of a car. The car is 10 feet long and the model is 7 inches long. What is the ratio of the length of the car to the length of the model?
If blood pressure were to drop (for example, as the result of blood loss), what changes in the nephron would allow the kidney to maintain its normal glomerular
Evaporation _________ energy from the environment, while condensation _________ energy to the environment.
what is a life plse say
I’m confused on this one
0.412 mi. = _______ft
Use Cramer’s Rule to solve system of equation.
The company has 5 employees, who earn a total of $1,000 each working day. They are paid each Monday for their work in the five-day work week ending the previous
What is the range of the relation? { (-5,6), (-3,-2), (2,6), (0,-2) }