2x= 1/3

解答

2 x = \frac{1}{3}

x = \frac{1}{6}

十进制

x = 0.16666 \dots

求解步骤

2 x = \frac{1}{3}

两边除以

2

x = \frac{1}{6}

- 4 x + 2 x - 7 = \frac{- x + 14 + 2 x - 54}{( - 9 )}

5 m + 1 = - 10 m - 19

3 = 1 + x + 16

3 (\frac{x}{4}) = - 6 (2 x - 17)

\frac{a}{b} = x