christopherdavis744
christopherdavis744 christopherdavis744
  • 22-01-2020
  • Mathematics
contestada

Question 5 (1 point)
Solve the following systems of equations.
x=2y + 5
3y - 3x = -12

Respuesta :

jimohfawwazajibola25
jimohfawwazajibola25 jimohfawwazajibola25
  • 22-01-2020

Answer:

y =  -1 and x = 3

Step-by-step explanation:

x - 2y = 5 .................(i) X 3

3y - 3x = -12..............(ii)

3x - 6y = 15.............(iii)

(ii) + (iii)

-3y = 3

y = -1

sub for y in (i) to get x

x = 3

Answer Link

Otras preguntas

What is the equation for density d d/m over V?.
How does Hamlet change after coming back from England?.
What is the significance of Act 3 Scene 3 in Hamlet?.
Lois made a dish with 5 1/3 cups of pasta. One serving of the pasta is 0.4 cups. How many servings of pasta were in the dish Lois made?
3. If you are a history reseacher, what would you prefer using in conducting research: using the Internet or going to the archives or libraries? Why? Why not?
given the following anova table, what is the correct conclusion source df sum of squares mean squares f p value treatment 2 2510.5 1255.3 93.44 0.0001 error 12
How is dark matter connected to the expansion of the universe?.
What is the setting referred to or described in the text?.
What is the feature of Web 2. 0 Wherein the content is dynamic and is responsive to user's input?.
Find the maximum value of the function =z+8x3y subject to the following constraints. ≤+xy15≤+2xy18≥x0≥y0 Note that the ALEKS graphing calculator can be used to