X-0.15x=34方程怎么解?

2025-12-18 06:18:12
推荐回答(3个)
回答1:

解:解方程,此方程的解为x = 40
x - 0.15x = 34
(1 - 0.15)x = 34
(100/100 - 15/100)x = 34
(85/100)x = 34
(17/20)x = 34
x = 34 ÷ 17/20
x = 34 × 20/17
x = 40
答:此方程的解为x = 40

回答2:

x-0.15x=34,
0.85x=34,
x=34÷0.85,
x=40

回答3:

0.85x=34
x=40