leenSaba leenSaba
  • 17-09-2020
  • Mathematics
contestada

-3x -10y = -20
-5x -6y = 20​

Respuesta :

aryanjangra506
aryanjangra506 aryanjangra506
  • 17-09-2020

Step-by-step explanation:

-3x -10y = -20..... (1)

-5x -6y = 20..... (2)

from 1. x=(20-10y)3

put in eq.2

5 (20-10y)/3+6y=-20

100-50y+18y=-60

160=32y

y=160/32

y=5

x=-10

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