Tolong kak soal persamaan linear dua variabel​

SPLDV

x = 2y + 10

2x + 3y = -1

Subtitusi nilai x = 2y + 10

2x + 3y = -1

2(2y + 10) + 3y = -1

4y + 20 + 3y = -1

7y = -21

y = -3

Subtitusi nilai y = –3

x = 2y + 10

x = 2(-3) + 10

x = (-6) + 10

x = 4

Jawaban:

x=2y+10

2x+3y=-1

substitusikan nilai x :

2(2y + 10) + 3y = -1

4y + 20 + 3y = -1

7y = -1-20

7y = -21

y = -3

substitusikan hasil y

maka x=2(-3) +10

x= -6+10

x= 4