reticentrobbie
reticentrobbie reticentrobbie
  • 01-01-2021
  • Mathematics
contestada

What is the solution to the system below?
3x + y = 11
y = x + 3

Respuesta :

MoatazMahmoud817
MoatazMahmoud817 MoatazMahmoud817
  • 01-01-2021

Answer:

x = 2

y = 5

Step-by-step explanation:

3x + y = 11 equation (1)

-x + y = 3 multiply this equation by -1

x - y = -3 equation (2)

by adding 2 equations

4x = 8

x = 2

by sub. in Equation (2)

2 - y = -3

y = 2+3

y = 5

Answer Link

Otras preguntas

What is Naturalization laws and regulations
Which organisms are extremely small and use hosts as both home and food supply?
Which expressions are equivalent? A.3x-7y and -7y+3xB.3x-7y and 7y-3xC.3x-7y and 3y-7xD.3x-7y and -3y+7x
Which themes are common in Carson McCullers's works?
According to the conversation between cortez and motecuhzoma, (chapter 89, page63) who did motecuhzoma and his chieftain’s think cortez and his men were
A farmer is planting a straight row of crops with 3 feet between each plant. If 23 are planted, what is the distance between the first and last plant?
Which dynasty, said to be China’s first, do historians believe is legendary?
Need to know the answer to this picture
What is the number of wavelengths that pass a fixed point in a second?
what type of triangle would have an orthocenter outside the triangle A.acute triangle B.right triangle C.obtuse triangle D.equilateral triangle