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受欢迎的 Word Problems >

Use x for your variable.:The product of four more than number and nine is fifteen.:Equation: x=

解答

U se x f or yo u r v a r iab l e . : T h e p ro d u c t o f f o u r m ore t han n u mb er an d nin e i s f i f t ee n . : Eq u a t i o n : x =

解答

The number : - 2 \frac{1}{3}

求解步骤

Represent the number with

x

A.T.Q.:

(4 + x) \cdot 9 = 15

求解

x, (4 + x) \cdot 9 = 15 : x = - \frac{7}{3}

将假分式转换为带分数:

\frac{7}{3} = 2 \frac{1}{3}

The number : - 2 \frac{1}{3}

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