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

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

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