|3-2x|=14

解

∣ 3 - 2 x ∣ = 14

x = - \frac{11}{2} or x = \frac{17}{2}

十進法表記

x = - 5.5, x = 8.5

解答ステップ

∣ 3 - 2 x ∣ = 14

絶対規則を適用する:

∣ u ∣ = a, a > 0

の場合は

u = a

u = - a

3 - 2 x = - 14 or 3 - 2 x = 14

3 - 2 x = - 14 or 3 - 2 x = 14

x = - \frac{11}{2} or x = \frac{17}{2}