abdulakeemjamiuadewa abdulakeemjamiuadewa

27-09-2020
Mathematics

contestada

5x - 2y = 14
2x + 2y = 14
[by elimination]

Respuesta :

Sheila35 Sheila35

27-09-2020

Answer:

x=4, y =3

Step-by-step explanation:

5x - 2y =14

2x +2y =14

Remains

5x +2x =14+14

7x=28

x=28 :7

x=4

Now we go to the first equation

5×4 - 2y =14

20 - 2y =14

-2y =14-20/×(-1)

2y =6

y=6 :2

y=3

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