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 are two nutrition related medical problems associated with children under the age of five in wic?
Work out the area of the rectangle give your answer as a mixed number
What is the first step to solving 3.7x – 15.9 = 2.97? Subtract 15.9 from both sides because it is the inverse operation of addition. Add 15.9 to both sides beca
Woolly mammoths were grass-eating mammals that resembled elephants but with heavy coats, large tusks, and small ears that made them suited for extremely cold w
Which of the following substances found in tobacco smoke stimulates the brain? A. acetone B. toluene C. nicotine D. ammonia
According to the textbook, we tend to call something like a car or a student "good" when it aligns with most people's preferences. is flashy, unique or expensiv
whats the answer to this question!?
how many different allergy notations can be made in an electronic health record during the same encounter
How do i solve this using a mathematical operation?
Find the 8th term of the sequence which has a first term of 10 and has a common ratio of 1.75 round you're answer to the nearest hundredth if necessary.A. 164.1