torreseli146 torreseli146

01-04-2021
Mathematics

contestada

What is the x-value of the solution to this system of equations?
Y=2/7x-1
2x + 7y = -49

Respuesta :

karkismriti176 karkismriti176

04-04-2021

Answer:

x = -21/2

Step-by-step explanation:

y= 2/7 x-1

or, 7y= 2x -7

or, 2x -7y =7

2x + 7y = -49

4x = -42

x= -21/2

y= 2/7 × -21/2 -1

= -4

Answer Link

Otras preguntas

True / False: The peripheral receptors located under the skin are very sensitive to to temperature changes and only provide feedback on to the hypothalamus (sel

Which of the following statements about the central dogma is correct? Drag "True" or "False" to the end of each statement. ResetHelp The central dogma predicts

The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis through its center. When his hand

Siempre me despierto a las seis a menos que (1) (haber) un problema con mi despertador. Leo mis mensajes electrónicos antes de que (2) (empezar) mis clases. En

Two quantities are related, as shown in the table:x y2 34 46 58 6Which equation best represents the relationship? y = 1 over 2 x + 2 y = 1 over 2 x + 1 y = x +

(4x squared) to the third power

Gaseous ICl (0.20 mol) was added to a 2.0 L flask and allowed to decompose at a high temperature: 2 ICl(g) ---> I2(g) + Cl2(g) If the equilibrium [ICl] = 0

Is heated water more or less dense than the melted snow And rainwater

A corporation's management a. owns the corporation. b. hires the board of directors. c. is liable for the corporation's debts. d. operates and controls a co

Which of the following correctly defines epic poetry