Jawab: x=y+4 2x+3y=13 Jwb

Mapel : Matematika
Kelas : VIII SMP
Bab : SPLDV

Pembahasan :
x = y + 4
2x + 3y = 13

Substitusi...
2x + 3y = 13
2(y + 4) + 3y = 13
2y + 8 + 3y = 13
5y = 13 - 8
5y = 5
y = 1

Substitusi...
x = y + 4
x = 1 + 4
x = 5

Hp : {5 , 1}