bby2010 bby2010
  • 12-11-2019
  • Mathematics
contestada

Solve the system using addition
3x+ 5y =67
- 3x + y = -18 8
The solution is x= and y=​

Respuesta :

ad2003ez ad2003ez
  • 12-11-2019

Answer:

x = 8.95 y = 8.03

Step-by-step explanation:

3x + 5y = 67

-3x + y = -18.8

Add them

6y = 48.2

divide by 6

y = 8.03

now substitute into one equation

3x + 5(8.03) = 67

3x + 40.15 = 67

subtract 40.15

3x = 26.28

divide by 3

x = 8.95

Answer Link

Otras preguntas

Which tradition teaches that salvation is available solely through faith in Christ?
___ send and receive information throughout your body
What message does the poem "Concord Hymn," by Emerson convey? With the passage of time, memories fade and lose relevance. The power of nature is greater than th
Describe the movement of the tectonic plates in model B. What is this situation called?
Give me an example of personal històry?​
what is the best example of a video game with a deep, emotionally touching story that is on the same levels as a lot of novels (there is no specific answer, i j
Give the slope of the graph and the unit rate. Express your answers as simplified fractions, if necessary. Jorge: 5 miles every 7 hours
What is considered best practice when matching customer receipts and vendor bills within the bank feeds in QuickBooks Online?
What is the y-intercept of the line 3x-4y=24
find the circumference of the circle rounded to the nearest 10th used 3.14 for pi will give brainliest