Question

Gimana cara jawab soal ini !

Answer 1

Jumlahkan elemen yg seletak
-3 = a + b --> a + b = - 3
-1 = 2b + 1 --> 2b = -2 --> b = - 1
a + b = - 3 2 --> a = - 3 - b = -3  -(-1) = - 2

a= -  2 dan b = -1
Jwab  E