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 it like to live in an Arabic country?
2x(x-4)=12 in standard form
what is the common ratio of 12.5 , 25, 50, 100, 200 and the three next terms
2. The Tonle Sap is a A. city in Cambodia B. festival C. water system D. boat
A scheduling system for minimizing inventory by having components arrive exactly at the moment they are needed and finished goods shipped as soon as they leave
1. What term is used to name a type of loan in which the loan amount and interest are due in one payment at maturity?
Wires manufactured for a certain computer system are specified to have a resistance of between 0.12 and 0.14 ohm. The actual measured resistances of the wires p
What type of arthropod appendage is comprised of a single series of segments attached end-to-end
Rewrite the sentence adding a nonrestrictive element using commas. The doctor took an x ray of my arm.
Compensatory damages replace what was lost because of what the breaching party did and for this reason are often said to make the person whole.