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受欢迎的代数 >

3[x+(14-x)]=2[x-(2x-21)]

解答

3 [x + (14 - x)] = 2 [x - (2 x - 21)]

解答

x = 0

求解步骤

3 [x + (14 - x)] = 2 [x - (2 x - 21)]

化简

3 (x + (14 - x)) : 42

42 = 2 [x - (2 x - 21)]

展开

2 (x - (2 x - 21)) : - 2 x + 42

42 = - 2 x + 42

将

42

到右边

0 = - 2 x

将

0

到右边

= - 2 x

将

2 x

para o lado esquerdo

2 x = 0

两边除以

2

x = 0

作图

流行的例子

2 n + \frac{n}{2} = 10

\frac{3}{4} x - 7 = 2

1/2 x-6= 1/4 x-4

\frac{1}{2} x - 6 = \frac{1}{4} x - 4

x + 12.6 = 18.4

-5(-x-4)-3x-5=1313

- 5 (- x - 4) - 3 x - 5 = 1313