mycraziyoyo mycraziyoyo
  • 02-12-2020
  • Mathematics
contestada

Equations
6) 2x + 3y = -1
3x + 4y = -4

Respuesta :

felipegomes220
felipegomes220 felipegomes220
  • 02-12-2020

Answer:

x = -8

y = 5

Step-by-step explanation:

2x = -3y-1

x = (-3y-1)/2

3x + 4y = -4

3[(-3y-1)/2]+4y = -4

(-9y-3/2)+4y = -4 (x2 all)

-9y-3+8y = -8

-9y+8y = -8+3

-y = -5

y = 5

3x+4.5 = -4

3x+20 = -4

3x = -24

x = -8

checking:

2.(-8)+3.5 = -1

-16+15 = -1 (checked)

Answer Link

Otras preguntas

Which best describes reverse discrimination?
What new technology allowed hideyoshi and other shoguns to enforce such edicts over powerful daimyo landowners?
a line with a length of 179.591mm needs to be scaled by what factor to get to a length of 200mm
The length of a side of a square is given. Find the length of a diagonal of each square.
After the Thirteenth Amendment became part of the Constitution,
What five countries border on the caspian sea?
how do limiting factors influence each other
list the four clinical states of consciousness starting with the highest state of cortical activity
A medication is given at a dosage of 3.000 mg of medication per kg of body weight. If 0.1700 g of medication is given, then what was the patient’s weight in pou
Which statement about stomata is true? The number of stomata is greater on the upper surface of the leaf. The number of stomata is greater on the lower surface