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受欢迎的代数 >

-9.8+18.3=-10.8d

解答

- 9.8 + 18.3 = - 10.8 d

解答

d = - \frac{85}{108}

+1

十进制

d = - 0.78703 \dots

求解步骤

- 9.8 + 18.3 = - 10.8 d

交换两边

- 10.8 d = - 9.8 + 18.3

数字相加/相减:

- 9.8 + 18.3 = 8.5

- 10.8 d = 8.5

在两边乘以

10

- 108 d = 85

两边除以

- 108

d = - \frac{85}{108}

作图

流行的例子

4 x - 3 = 3 x - 2

solvefor a,-b+a=8

so l v e f or a, - b + a = 8

- 98 = 7 t

(x+2)/5 =(2x-11)/7

\frac{x + 2}{5} = \frac{2 x - 11}{7}

\frac{x}{8} - \frac{x}{6} = - 1