gabbya43 gabbya43
  • 25-01-2021
  • Mathematics
contestada

Solve the system using substitution. -2x+5y=19
3x-4=y

Respuesta :

krisyeet253
krisyeet253 krisyeet253
  • 25-01-2021

Answer:

answer is x=3 and y=5.... so it is (3,5)

Step-by-step explanation:

you want to combine them so y=3x-4 so subsitute y

-2x+5(3x-4)=19

-2x+15x-20=19

            +20   +20

13x=39

---    ---

13     13

x=3

now subsitute 3 into x into any problem...

3(3)-4=y

9-4=y

and 9-4 is 5 so it is...

(3,5)

pls give me brainliest

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