x/6 = 18/4

解答

\frac{x}{6} = \frac{18}{4}

x = 27

求解步骤

\frac{x}{6} = \frac{18}{4}

约分:

2

\frac{x}{6} = \frac{9}{2}

在两边乘以

6

x = 27

2 x^{2} - 8 x - 3 = 0

3 \leq 2 x - 5 < 7

s im pl i f y 25000

(x - 2)^{2} + (0 + 5)^{2} = 9

f a c t or \frac{1}{4} x^{4} + x^{2} + 1