12+X+(-72)= 34 maka nilai X =.... TOLONG SERTAKAN CARANYA!!!

Materi : Program Linear
Bahasan : Persamaan Linear 1 Variabel
Jawaban : x = 94

Langkah - langkah :
12 + x - 72 = 34
- 60 + x = 34
x = 34 + 60
x = 94

12 + x + (-72) = 34
12 + x + (-72) + 72 = 34 +72
12 + x = 106
x = 106 -12
x= 94