joannasilvatrejo60 joannasilvatrejo60

01-06-2022
Mathematics

contestada

7x + 2y = −12
3x + 4y = −24

Respuesta :

saumyaadhikari saumyaadhikari

01-06-2022

Answer:

x= 0 , y= 6

Step-by-step explanation:

multiplying 1st equation by 2 and subracting equation 2nd from 1st

14x + 4y = -24

- ( 3x + 4y) = - (-24)

11x = 0

so, x=0

keep x=0 in equation 2nd

3*0 + 4y = -24

y = -24 / 4

so , y = 6

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