解方程:X-20%X=40

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/22 08:01:44
解方程:X-20%X=40解方程:X-20%X=40解方程:X-20%X=40X-20%X=4080%X=40X=40/80%X=50X-20%X=40X-0.2X=400.8X=40X=5050.x

解方程:X-20%X=40
解方程:X-20%X=40

解方程:X-20%X=40
X-20%X=40
80%X=40
X=40/80%
X=50

X-20%X=40
X-0.2X=40
0.8X=40
X=50

50.
x-0.2x=40
0.8x=40
x=50

X-0.2X=40
0.8X=40
X=50

X=50