(1÷3x-1)(1÷2x+7)=0

Answer 1

It appears you need either
1/3x - 1 = 0
1/3x = 1
1 = 3x
x = 1/3
or
1/2x + 7 = 0
1/2x = -7
2x = -1/7
x = -1/14