(1-0.6)x+360=5x/8

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(1-0.6)x+360=5x/8(1-0.6)x+360=5x/8(1-0.6)x+360=5x/8(1-0.6)x+360=5x/80.4x+360=0.625x0.625x-0.4x=3600.

(1-0.6)x+360=5x/8
(1-0.6)x+360=5x/8

(1-0.6)x+360=5x/8
(1-0.6)x+360=5x/8
0.4x+360=0.625x
0.625x-0.4x=360
0.225x=360
x=1600

(1-0.6)x+360=5x/8
0.4x+360=5x/8
0.4x-5x/8=-360
(0.4-5/8)x=-360
-0.225x=-360
x=360/0.225
x=1600

0.4x+360=5x/8
移项
5/8x-2/5x=360
通分
9/40x=360
x=360*43/9=1600