320乘以八分之五减x等于三百二十减x乘五分之三解方程?

2025-03-22 03:47:48
推荐回答(5个)
回答1:

320×5/8-x=320-x×3/5
200-x=320-0.6x
0.4x=-120
x=-300

回答2:

320*8分之5-x=320-x*5分之3
200-x=320-5分之3x
-120=5分之2x
-600=2x
-300=x

回答3:

320×5/8-x=320-3/5x
解:320×5/8-x+x=320-3/5x+x
2 0= 320+2/5x
2/5x=320-20
2/5x=300
x=300÷2/5
x=300×5/2
x=750

回答4:

320x5/8-x=320-3/5x
200-x=320-3/5x
3/5x-x=320-200
-2/5x=120
x=-300

回答5:

320*5/8-x=320-3/5X
-320*3/8=2/5x
-120=2/5x
x=-300