anjithaa23 anjithaa23

04-12-2019
Mathematics

contestada

How to substitute for -5x+3y=51 and y=10x-8

Respuesta :

Yang100 Yang100

04-12-2019

Answer:

x=3, y=22. (3, 22).

Step-by-step explanation:

-5x+3y=51

y=10x-8

----------------

-5x+3(10x-8)=51

-5x+30x-24=51

25x-24=51

25x=51+24

25x=75

x=75/25

x=3

y=10(3)-8

y=30-8

y=22

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