KadijaDiawara
KadijaDiawara KadijaDiawara
  • 12-02-2021
  • Mathematics
contestada

y= -2x-2, -2x+4y=12 please help i'll give 100 points.


solve it in substitution

Respuesta :

h1nkle
h1nkle h1nkle
  • 12-02-2021

Answer:

x = -2 and y= 2

Step-by-step explanation:

y=-2x-2 and -2x+4y=12

Substitute: -2x+4(-2x-2)=12

Distribute: -2x-8x-8=12

Combine like terms: -10x-8=12

Simplify: -10x=20

20/-10 = -2

Use that value to solve for y

y=-2x-2

Substitute x value: y=-2(-2)-2

Simplify: y=2

Answer Link

Otras preguntas

The balloon swelled up because warm air takes up _____ space and shrinks because cold air takes up_____ space
In Arena, you can schedule failures to occur after a random number of customers have used a resource or after a random amount of time has passed.a) True b) Fals
The parasympathetic nervous system is especially active during which physiological state?The parasympathetic nervous system is especially active during which ph
Solve the simultaneous equation: 5x+2y=18 5x+6y=30
Choose all that are examples of vectors. a) Force b) Temperature c) Volume d) Speed e) Mass f) Velocity g) Acceleration
Though similar in many ways, Korea and China differed most notably by...
A patient is in the emergency department for a severe anxiety attack. Their doctor administers a dose of potassium to control their elevated heart rate. Why wou
bonjour pouver vous m'aider merci beaucoup
what idea does the author communicate by repeating the word, "silence"
What military asset did Sonni Ali exploit in his fifteenth-century conquest of the Niger region of West Africa?