poehlkaitlyn poehlkaitlyn

24-01-2020
Mathematics

contestada

Solve the following systems of equations.
2= 2y + 5
| 3y - 3x = -12

Respuesta :

Yang100 Yang100

24-01-2020

Answer:

x=5/2, y=-3/2. (5/2, -3/2).

Step-by-step explanation:

2=2y+5

3y-3x=-12

--------------

2-5=2y

2y=-3

y=-3/2

3(-3/2)-3x=-12

-9/2-3x=-12

3x=-9/2-(-12)

3x=-9/2+12

3x=-9/2+24/2

3x=15/2

x=(15/2)/3

x=(15/2)(1/3)

x=15/6=5/2

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