jrjebrbbrebb92902020 jrjebrbbrebb92902020
  • 03-02-2021
  • Mathematics
contestada

Explain your answer !!
Have a nice day

Will give braisnlt

Explain your answer Have a nice day Will give braisnlt class=

Respuesta :

imtiazkalwar
imtiazkalwar imtiazkalwar
  • 03-02-2021

Answer:

[tex]x=3[/tex]

[tex]y=-4[/tex]

Step-by-step explanation:

[tex]4x+5y=-8[/tex] ----------- (1)

[tex]-4x-4y=4[/tex] -----------(2)

Adding equation (1) and (2)

[tex]4x+5y-4x-4y=-8+4[/tex]

[tex]y=-4[/tex]

Substitute y=-4 in equation (1) or (2)

[tex]4x+5(-4)=-8[/tex]

[tex]4x-20=-8\\4x=-8+20\\4x=12\\x=3[/tex]

Answer Link

Otras preguntas

Brett is filling up his swimming pool. It is a cylindrical shape. How many cubic meters of water will it take to fill the pool to a height of 1.2 meters if the
If you are involved in a traffie stop as a passenger, you may leave if you are not detained, low
What is the molarity of a solution containing 12.0 g of NaOH in 250.0 mL of solution?
Four triangles are shown. One side of each triangle lies on a ray, and the triangles are not drawn to scale. Based on these triangles, which statement about x i
Which type of energy can be sensed by the eyes? OA. electrical energy B. sound energy OC. thermal energy D. light energy
Oleic acid's melting point is 14°C and it's boiling point is 360°С. What phase is this substance at room temperature 25°C?* A. Solid B. Liquid C. Gas D. Impossi
I don’t get it or understand
Wich situation involves a violation of First Amendment protectons?​
plz help me with this​
A shipping tube is shaoed like a triangular prismi