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

find (f-g)(x). What is the domain of f/g f(x)=2x-5 g(x)=2-x
number patterns solve8 12 18 27
What is the equation of the line that passes through the points (-2,2) and (0,5)?
A triangle has a perimeter of 18 inches. If one side has length 8 inches, find the length of the shortest side if the other lengths are in the ratio of 2 units
use the Binomial Theorem to expand (x - 2y)^3
in a rational no. twice the numerator is 2 more than the denominator. if 3 is added to each, the numerator or the denominator, the new fraction is 2/3. find the
factor completely 16x^2 + 24x + 9
A triangle has a perimeter of 18 inches. If one side has length 8 inches, find the length of the shortest side if the other lengths are in the ratio of 2 units
Which equation will have the same solution as 3(2x-1)+4x=13?
what is the domain, range, and function of y=absolute value of x-3 +2 i put the domain as 3 and the range as 2 and the function as yes