Question

Tolong di jawab soal nomor 1-3 terimakasih

Answer 1

2x+y = 6 (x4) 8x+4y = 24
x+4y = 9 (x1) x+4y = 9
(Dikurang)
7x = 15
x = 15:7
x = 2,14

b.
x+y = 3 (x2) 2x+2y = 6
x-y = 2 (x2) 2x-2y = 4
(Dikurang)
4y = 2
y = 2:4
y = 1/2 (setengah)
maaf cuma segini semoga bermanfaat :)