1/4x+8=80%x

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 02:28:04
1/4x+8=80%x1/4x+8=80%x1/4x+8=80%x1/4x+8=80%x0.25x-0.8x=-8-0.55x=-8x=160/110.25x+8=0.8x8=0.8x-0.25x8=

1/4x+8=80%x
1/4x+8=80%x

1/4x+8=80%x
1/4x+8=80%x
0.25x-0.8x=-8
-0.55x=-8
x=160/11

0.25x+8=0.8x
8=0.8x-0.25x
8=0.55x
x=8/0.55
x=160/11(这是一个分数)

1/4x+8=80%x
80%x-1/4x=8
0.55x=8
x=160/11