70 + n = 20nga jawab dosa
70 + n = 20
n?
n = 20-70
n = -50
pembuktian :
70 +(-50) = 20
70 -50 = 20
20 = 20
benar.
jangan lupa jadikan jawaban terbaik yaa
70 + n = 20
ditanya = n?
Jawab = n = 20 – 70 = -50
n = -50
Jika di tempatkan di soal =
70 + (-50) = 20