解方程:X×1.64—18=3/5X(过程)

来源:百度知道 编辑:UC知道 时间:2024/06/22 05:19:05

1.64x - 18 = (3/5)x
1.64x - (3/5)x - 18 = 0
1.64x - (3/5)x = 18
1.64x - 0.6x = 18
(1.64 - 0.6)x = 18
1.04x = 18
x = 18 / 1.04
x = 17.3077

1.64x-0.6x=18
1.04x=18
x=225/13

1.64x-0.6x=18
1.04x=18(有没有打错?..一般来说这样的简单的题目答案不会是小数)
x=

X*1.64 -18 = 3/5*X

两边乘以5 8.2X -90 =3X

5.2X - 90
X = 17.3