preciado1220 preciado1220
  • 25-09-2020
  • Mathematics
contestada

Use substitution 9x-3y=9 3x-y=3

Respuesta :

haichoi0330
haichoi0330 haichoi0330
  • 26-09-2020

Answer:

x=1

Step-by-step explanation:

3x-y=3

y=3-3x

9x-3y=9

9x-3(3-3x)=9

9x - 9 + 9x=9

9x + 9x=9 + 9

18x=18

x=18÷18

x=1

Answer Link

Otras preguntas

Can you guys please tell me if what I answered for both are right?
The main reason a person becomes a supervisor is
Nigeria has a mixed/command economy. Which resource does the government of Nigeria keep under their control?
does x=1.6 satisfy the equation 6-4x=-x/4? explain
When a simple magnifying glass is used properly, the image will be formed A. just inside the focal length of the lens. B. about 250 millimeters in front of th
How did abolitionists attempt to arouse widespread public anger over slavery through the use of propaganda? What was the most significant work to emerge from th
Contrast Eisenhower's attitude toward new social legislation with his approach to existing programs. What act of his presidency led to the largest public works
The unit for measuring the rate at which light energy is radiated from a source is the A. Angstrom. B. lux. C. lumen. D. candela.
What event marked the start of ww2
How did the Great War for the Empire become a "global war," and how did Britain carry out its part in the struggle?