daylinlaronge5 daylinlaronge5
  • 09-10-2020
  • Mathematics
contestada

x-y=11 2x+y=19 elimantion

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pbab pbab
  • 09-10-2020

Answer:

x=20/3 y=17/3

Step-by-step explanation:

1. x-y=1

2. 2x+y=19

The first equation can be rewritten as 2x-2y=2

We can then subtract the second equation from this:

2x-2y=2

2x+y=19

-3y=-17

y=17/3

Plug this into to solve for x:

x-17/3=1

x=17/3+1

x=20/3

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worshipthebag worshipthebag
  • 09-10-2020
Answer:X=20/3 y=17/3
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