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受欢迎的代数 >

(4x+6)-2x=(x-6)+10+14

解答

(4 x + 6) - 2 x = (x - 6) + 10 + 14

解答

x = 12

求解步骤

(4 x + 6) - 2 x = (x - 6) + 10 + 14

去除括号:

(a) = a

4 x + 6 - 2 x = (x - 6) + 10 + 14

对同类项分组

4 x - 2 x + 6 = (x - 6) + 10 + 14

同类项相加:

4 x - 2 x = 2 x

2 x + 6 = (x - 6) + 10 + 14

去除括号:

(a) = a

2 x + 6 = x - 6 + 10 + 14

数字相加/相减:

- 6 + 10 + 14 = 18

2 x + 6 = x + 18

将

6

到右边

2 x = x + 12

将

x

para o lado esquerdo

x = 12

作图

流行的例子

6/25 x+0.21=0.306

\frac{6}{25} x + 0.21 = 0.306

solvefor x,y=(cos(x))/(2y)+c

so l v e f or x, y = \frac{cos ( x )}{2 y} + c

solvefor x,y=f(x+2)

so l v e f or x, y = f (x + 2)

2 x + 5 - 5 x = - 1

(5x+1)/5+(3x-2)/3+(2x-3)/2 =0

\frac{5 x + 1}{5} + \frac{3 x - 2}{3} + \frac{2 x - 3}{2} = 0