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

How many times does 9 go into 67
Which main idea is similar to both texts? Writers should not trust their own instincts. Writing alone is necessary. Writing is difficult. Writers should read th
Organisms from the Kingdom Planta are found throughout the environment around us. Mosses are members of this kingdom. Circle the names of the organisms that bel
Which word best describes early American foreign policy? A) internationalism B) imperialism C) isolationism D) militarism
Which sentence uses correct capitalization? A. Larry's favorite basketball team is the Chicago Bulls. B. How many moons does the Earth have? C. Francie Nolan is
step by step Simplify: -9j(5)(3k)
What number is 75 percent of 64
evaluate the given function f(x)=16-3x , f(2a-5)
Name and define the 6 stages of the water cycle
In a relation between x and y, x has a constant value of -1, but y varies between -5 and 5. Is y a function of x?