alexialealbaca alexialealbaca
  • 19-04-2021
  • Mathematics
contestada

Examine the system of equations.
-5x + 5y = 40
4x +
Зу = 24
What is the solution?

Respuesta :

xxNMNxx
xxNMNxx xxNMNxx
  • 19-04-2021

Answer:

y = 26.2857143 or 184/7 or 26 2/7

x = -13.7142857 or -96/7 or -13 5/7

Step-by-step explanation:

-5x + 5y = 40

-x + y = 40

x = -40 + y

substitute x for -40 + y

4(-40 + y ) + 3y = 24

-160 + 4y + 3y = 24

7y = 184

y  = 26.2857143 (?)

x = -40 + 26.2857143

x = -13.7142857

Answer Link

Otras preguntas

LM is the midsegment of trapezoid ABCD. AB= x + 8, LM = 4x + 3, and DC = 187. What is the value of x?
What industry has declined in Iran because of pollution?
What is 2 radical 15 squared
Round the following to the nearest cent: $16.997
How much kinetic energy does a 7.2-kg dog need to make a vertical jump of 1.2 m? the acceleration due to gravity is 9.8m / s^2
A concave mirror has a radius of curvature of 10 cm. Find the location an height of the image if the distance of the object is 8cm and the height of the object
Which of the following is equivalent to (4x²)³ ? A. 64x⁸ B. 12x⁵ C. 12x⁶ D. 4x⁵ E. 4x⁶ Can someone explain this one for me?
Isaac read 32% of oeople owned dogs what fraction of people owned dogs
Vicki puts 10 books on a shelf. The 10 books take up 28 cm. What is the mean (average) thickness of her books? Can I have it worked out as well plz? I really ne
how to use the distributive property to expand "mx(ab-b)"?