laurasofialunkes laurasofialunkes
  • 08-01-2021
  • Mathematics
contestada

Item 12

Solve the system of linear equations by substitution.


y−x=0

2x−5y=9

Respuesta :

9anhftf4h4 9anhftf4h4
  • 08-01-2021
The answer should be 0.9
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aark4yeccs
aark4yeccs aark4yeccs
  • 08-01-2021
If I’m correct you multiply add 5y to the -5y which gives you 2x=14 since you have to add the 5y to the 9, then you proceed to divide 2x with 14 which gives you 7 so the system of the equation is 7
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