atran1905 atran1905

11-02-2020
Mathematics

contestada

4x + 5y =23
9x- 5y= 3

Respuesta :

ghanami ghanami

11-02-2020

Answer:

one solution : (2 ; 3)

Step-by-step explanation:

hello :

4x + 5y =23 ...(*)

9x- 5y= 3....(**)

add (*) and (**) : 13x =26

x =26/13 = 2

put this value in (*) : 4(2)+5y = 23

5y =15

y =15/5=3

one solution : (2 ; 3)

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