X = 8 (X - 14) 방정식 을 풀다
X = 8 (X - 14)
X = 8 - 12
7X
X = 16
8 × (x - 2) = 2 × (x + 7) 방정식 을 풀다
8 × (x - 2) = 2 × (x + 7)
8X - 16 = 2X + 14
6X = 30
X = 5
X = 8 (X - 14)
X = 8 - 12
7X
X = 16
8 × (x - 2) = 2 × (x + 7)
8X - 16 = 2X + 14
6X = 30
X = 5