解方程:9x-5x=6·4 (5x+2)÷3=4 3(x-14)=9 (25-5x)÷2=10

2x-12)×4=48(84-2x)÷4=20
2025-05-06 08:29:20
推荐回答(1个)
回答1:

9x-5x=6.4
4x=6.4
x=1.6

(5x+2)÷3=4
5x+2=12
5x=10
x=2

3(x-14)=9
x-14=3
x=17

(25-5x)÷2=10
25-5x=20
25-20=5x
5x=5
x=1

(2x-12)*4=48
2x-12=12
x-6=6
x=12

(84-2x)÷4=20
84-2x=80
84-80=2x
2x=4
x=2