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受欢迎的代数 >

x+5=-3x+25-3x+25

解答

x + 5 = - 3 x + 25 - 3 x + 25

解答

x = \frac{45}{7}

+1

十进制

x = 6.42857 \dots

求解步骤

x + 5 = - 3 x + 25 - 3 x + 25

对同类项分组

x + 5 = - 3 x - 3 x + 25 + 25

同类项相加:

- 3 x - 3 x = - 6 x

x + 5 = - 6 x + 25 + 25

数字相加:

25 + 25 = 50

x + 5 = - 6 x + 50

将

5

到右边

x = - 6 x + 45

将

6 x

para o lado esquerdo

7 x = 45

两边除以

7

x = \frac{45}{7}

作图

流行的例子

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