Question

解方程3x+1/2=7+x/6 还有题目x+3/2=x-x-1/6

Answer 1

3x+1/2=7+x/6 两边乘12
6（3x+1）=2(7+x)
18x+6=14+2x
18x-2x=14-6
16x=8
x=8÷16
x=0.5

x+3/2=x-x-1/6 两边乘12
6（x+3）=12x-2(x-1)
6x+18=12x-2x+2
6x+18=10x+2
10x-6x=18-2
4x=16
x=16÷4
x=4

Answer 2

1、
两边乘6
9x+3=7+x
8x=4
x=4÷8
x=1/2

2、
两边乘6
3x+9=6x-x+1
6x-x-3x=9-1
2x=8
x=4

Answer 3

(1)3x+1/2=7+x/6
17x/6=13/2
x=39/17
(2)x+3/2=x-x-1/6
x+3/2+1/6=0
x=-10/6=-5/3

Answer 4

3x+1/2=7+x/6
18x+3=42+x
17x=39
x=39/17
x+3/2=x-x-1/6
x=-1/6-3/2
6x=-1-9
6x=-10
x=-5/3