19.6k views
1 vote
4x+3,y=-20

6x+12y=10

User Eunbi
by
8.6k points

1 Answer

3 votes

Answer:x = -9 y = 16/3

Explanation:

A = 4x + 3y = -20
B = 6x + 12y = 10

hapus salah satu variabel, disini saya menghapus y

4A = 16x + 12y = -80 - B = 6x + 12y jadilah 10x = -90. x=-9

masukkan x=-9 ke salah satu persamaan untuk mencari y.

4(-9) + 3y =-20

y = 16/3

User Offirmo
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.