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受欢迎的代数 >

0.7ax-1.2a=0.3ax

解答

0.7 a x - 1.2 a = 0.3 a x

解答

x = 3; a \neq = 0

求解步骤

0.7 a x - 1.2 a = 0.3 a x

在两边乘以

10

7 a x - 12 a = 3 a x

将

12 a

到右边

7 a x = 3 a x + 12 a

将

3 a x

para o lado esquerdo

4 a x = 12 a

两边除以

4 a; a \neq = 0

x = 3; a \neq = 0

作图

流行的例子

0.6 + 0.8 x = - 1.4

10 a = - 6

solvefor x,-12x-5y=-27

so l v e f or x, - 12 x - 5 y = - 27

1/2 (2x-6)+5= 2/3 x+9+7/3 x

\frac{1}{2} (2 x - 6) + 5 = \frac{2}{3} x + 9 + \frac{7}{3} x

solvefor x,y-7= 1/10 (x-10)

so l v e f or x, y - 7 = \frac{1}{10} (x - 10)