(1-2/5)x+8=80%x-4 方程怎么解(1-2/5)x+8=80%x-4方程怎么解

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(1-2/5)x+8=80%x-4方程怎么解(1-2/5)x+8=80%x-4方程怎么解(1-2/5)x+8=80%x-4方程怎么解(1-2/5)x+8=80%x-4方程怎么解(1-2/5)x+8=8

(1-2/5)x+8=80%x-4 方程怎么解(1-2/5)x+8=80%x-4方程怎么解
(1-2/5)x+8=80%x-4 方程怎么解
(1-2/5)x+8=80%x-4
方程怎么解

(1-2/5)x+8=80%x-4 方程怎么解(1-2/5)x+8=80%x-4方程怎么解
3/5x+8=0.8x-4 0.6x+12=0.8x 12=0.2x x=60

0.6x+12=0.8x
0.2x=12
x=60

3/5x十8=4/5x-4
3/5x-4/5x=-4-8
-1/5x=-12
x=4

这个简单,把百分之80换成0.8x