thatwilldomare43
thatwilldomare43 thatwilldomare43
  • 04-04-2021
  • Mathematics
contestada

Solve the system of linear equations using either substitution or the elimination method.
y = 3x +5
X+y=1

Respuesta :

fnej
fnej fnej
  • 04-04-2021

Answer:

x = -1

y = 2

Step-by-step explanation:

x + y = 1

y = -x + 1

y = -x + 1  (Multiply this by -1)

y = 3x +5

-y = x - 1

y = 3x +5

0 = 4x + 4

4x = -4

x = -1

x + y = 1

-1 + y = 1

y = 2

Answer Link

Otras preguntas

What model can you use to represent the forces acting on an object? How can it help you determine the net force on the object?
Help complete the table for the equation y= x - 2. Then use the table to graph the equation.
A personal trainer charged 82.99$. The client wants to tip the trainer about 15%. What is a reasonable amount to tip?
Bell bell help help help help help grope help help
help i am going to fail my end of semester test
How to calculate the percentage?
Which is known as the oldest of these art forms? O A. Monotype O B. Etchings O C. Woodcuts O D. Screenprinting O E. Engravings
Foods that contain all the essential amino acids are called: A incomplete proteins B empty proteins C complete proteins D full proteins
The ratio of the number of hamsters to the number of mice in a pet store is 3 to 2. How many hamsters are there, if there are 12 mice?
What type of figurative langue is used in this poem twice who has seen the wind A personification B Metaphor C simile Dhyperbole