ant5226
ant5226 ant5226
  • 16-11-2019
  • Mathematics
contestada

Solve the system:
4x - 3y = 2
16x + 9y = 15

Respuesta :

Yang100
Yang100 Yang100
  • 03-01-2020

Answer:

x=3/4, y=1/3. (3/4, 1/3).

Step-by-step explanation:

4x-3y=2

16x+9y=15

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

3(4x-3y)=3(2)

16x+9y=15

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

12x-9y=6

16x+9y=15

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

28x=21

x=21/28=3/4

4(3/4)-3y=2

3-3y=2

3y=3-2

3y=1

y=1/3

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