naebrooks24 naebrooks24
  • 25-03-2021
  • Mathematics
contestada

Solve -4x+y=-1 and Y=2x-5 using substitution

Respuesta :

layaldanig
layaldanig layaldanig
  • 26-03-2021

Answer:

x= -2, y= -9

Step-by-step explanation:

let -4x+y=-1 be [1]

and y=2x-5 be [2]

Sub [2] into [1]

-4x+(2x-5)=-1

-4x + 2x -5 = -1

-2x -5 = -1

-2x = 4

2x = -4

x = -2

Sub x=-2 into [2]

y=2(-2)-5

y=-4-5

y=-9

Answer Link

Otras preguntas

What is the value of 9 in the number 59.533
Use completing the square to solve (x – 12)(x + 4) = 9 for x.
What is the answer to 3/4 +1/3
Instead of printing and distributing a hard copy of a document, you can distribute the document ____.
Assume you're using a three button mouse.To access shortcut menus,you would
Use the periodic table from the lesson to answer the following question. F is the symbol for the element _____. Fluorine Ferrous Iron Francium
What is the most powerful feeling ?
The theory that quantity supplied and price are positively related, other things constant, is referred to as the law of: opportunity cost profit maximization de
In what type of organization is sequence extremely important? a. Chronological order b. Cause and effect c. Compare and contrast d. Examples and explanation
A full dose of a different medicine is 600 mg.Ms.Methea took 75% of a full dose.How much medicine did she take?