Sassyjazzy123 Sassyjazzy123
  • 12-11-2019
  • Mathematics
contestada

Solve the system of equations algebraically.
3x – 3y = -9
2x + y = -3

Respuesta :

KurdishPotato
KurdishPotato KurdishPotato
  • 12-11-2019

Answer:

x= 1/3

x= -5/3

Step-by-step explanation:

multiply second equation by 3

3× (2x+y) = -3 ➡ 6x+3y = -6 then add it to first equation

3x - 3y + 6x + 3y = -9-6 ➡9x = -15 ➡x = -5/3

use this to find value of y

2×(-5/3) +y = -3 ➡ -10/3 +y = -3 ➡ y = -3 + 10/3 ➡ y = 1/3

Answer Link

Otras preguntas

Which  is larger a zinc atom or a zinc ion? explain
Maureen pought 3 pairs of shoes that cost $37.98 each.If the tax rate is 8%, how much did the Maureen pay?"
A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s2? F= M= A=
What is the Bohr model for beryllium
What is the mass of a falling rock if it produces a force of 147 n? F= M= A=
Calculate the force between one grapefruit as described above and Earth. Earth has a mass of 5.9742 × 1024 kg and a radius of 6.3710 × 106 meters. Assume the gr
solve "P x 87 + 67 x 87 + (33 - P) x 87 = ?"
The fountain contains 20 pennies and 9 dimes. A coin is randomly taken and not replaced. A second coin is randomly taken. What is the probability that both coin
The new pencil was 19 centimeters long. How many millimeters long was the pencil?
First colonists: English settlers wealthy landowners from the West  indies, and ?