pamjo75 pamjo75
  • 16-10-2020
  • Mathematics
contestada

4. 4x+3y =-12
- 2x+3y=-18

Respuesta :

legoshes
legoshes legoshes
  • 16-10-2020

Answer:

x = -1 and y = 5.3

Step-by-step explanation:

4x + 3y = 12

2x - 3y = -18 (× -)

4x+ 2x = 12 + (-18)

6x = -6

x = -6/6

x = -1

4(-1) + 3y = 12

-4 + 3y = 12

3y = 12 + 4

3y = 16

y = 16/3

y = 5.3

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