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受欢迎的代数 >

1/8 (3d-2)= 1/4 (d+5)

解答

\frac{1}{8} (3 d - 2) = \frac{1}{4} (d + 5)

解答

d = 12

求解步骤

\frac{1}{8} (3 d - 2) = \frac{1}{4} (d + 5)

展开

\frac{1}{8} (3 d - 2) : \frac{3}{8} d - \frac{1}{4}

展开

\frac{1}{4} (d + 5) : \frac{1}{4} d + \frac{5}{4}

\frac{3}{8} d - \frac{1}{4} = \frac{1}{4} d + \frac{5}{4}

将

\frac{1}{4}

到右边

\frac{3}{8} d = \frac{1}{4} d + \frac{3}{2}

将

\frac{1}{4} d

para o lado esquerdo

\frac{1}{8} d = \frac{3}{2}

在两边乘以

8

d = 12

作图

流行的例子

10.5 h = 210

10 x + 25 = 50

solvefor x,7x+2y=10

so l v e f or x, 7 x + 2 y = 10

solvefor x,7x+2y=-3

so l v e f or x, 7 x + 2 y = - 3

solvefor f,f={7}

so l v e f or f, f = {7}