sidneyrider sidneyrider
  • 03-02-2021
  • Mathematics
contestada

solve by substitution y=-3x-19 and 5x+8y =0

Respuesta :

crystivia
crystivia crystivia
  • 03-02-2021

Answer:

x=-8, y=5

Step-by-step explanation:

y=-3x-19

5x+8y =0

Substituting -3x - 19 into y makes the second equation:

5x+8(-3x - 19) = 0

5x - 24x - 152 = 0

-19x = 152

x = -8

Plugging -8 into x, our first equation becomes:

y = -3(-8) - 19

y = 24 - 19

y = 5

Answer Link
Hiiiiiiiiiiiiiiiie Hiiiiiiiiiiiiiiiie
  • 03-02-2021
X is 8 and y is 5, have a nice day:)
Answer Link

Otras preguntas

4x + 3y = 2 2x - 3y = 10
Are mixtures pure substances that cannot be changed into smaller substances?
What are three characteristics that these biomes have in common?
A physician prescribes amoxicillin 500 mg po bid. what is wrong with this prescription
I need help with balancing equations
What can the reader infer about Rainsford and Zaroff from their discussion of war? A. They were once enemies. B. Both have killed other men. C. Both are skilled
if a t-shirt is regularly priced at $40.00 but is now on sale for 45% off, what is the price of the shirt and how much are on you saving?
-(7)^0=? (-3/5)^0=? What's the answer
Kimmy bought a 5-kilogram can of peanuts for $4.50.What is the unit price?
___ is the least amount due on a bill. A. Any minimum payment B. Monthly payment C. Minimum monthly payment D. Minimum monthly premium