Tolong bantu kak pliss,, jangan ngasal & jangan salah,,, makasiy​

Penjelasan dengan langkah-langkah:

1). 3x – y = 19

3x – 2 = 19

3x = 21

x = 7 (c)

2). 5x + 3y = 26

5x + 3(2) = 26

5x + 6 = 26

5x = 26 – 6 (a)

3). 5x + 3y = 26

5x + 3(2) = 26

5x + 6 = 26

5x = 20

x = 4 (b)

semoga membantu