1/2x+1/3x=3/4
6x+4x=9
10x=9
x=0.9
17-120%x=5
-1.2x=5-17
-1.2x=-12
x=10
x-14x=1/2
4x-x=2
3x=2
x=2/3
x÷2/3-5x乘1/4=1/4
6x-5x=1
x=1
1/2x+1/3x=3/4
6x+4x=9
10x=9
x=0.9
17-120%x=5
-1.2x=5-17
-1.2x=-12
x=10
x-14x=1/2
4x-x=2
3x=2
x=2/3
x÷2/3-5x乘1/4=1/4
6x-5x=1
x=1