sarasorrells sarasorrells
  • 02-05-2021
  • Mathematics
contestada

What is the value of xin the solution to this system of equations?
y + 2x = -1
y =1/2x+4

Respuesta :

cwrw238 cwrw238
  • 02-05-2021

Answer:

x = -2.

Step-by-step explanation:

y + 2x = -1

y = -2x - 1

y =1/2x+4

Subtracting the last 2 equations:

0 = -2x - 1/2x - 1 - 4

5 = - 5/2 x

x = 5 / -5/2

=  5 * 2 / -5 = -2.

Answer Link

Otras preguntas

What is the main topic of discussion in the poem below? Fire and Ice by Robert Frost Some say the world will end in fire, Some say in ice. From what I've tasted
How does the difference in the general size of the populations relate to the trophic level in which these organisms are found?
1. Write the equation of the line parallel to y = 7x – 5 and going through the point (4,31).
Use the drop-down menus to choose the phrase that best describes the way each disease can be inherited. diabetes: sickle-cell anemia: color blindness:
what is the type 1 binary compound for MgCl2
According to the text, why it is difficult for psychologists to scientifically test for Freud’s theory of unconscious suppression?
Really need help with a writing a letter about hobby(about playing guitar) Thank you so much!!!
Tìm câu sai về độ pH? A. pH+ pOH= 14 C. [H + ]=0,02→ pH=2 B. pH= -lg[H + ] D. Axit có pH<7, bazơ có pH>7
What major problems could you encounter in complex intersections?
why do mr. murry, meg, and calvin tesser away from camazotz?