Question 541138
3/7 - 18x = 3/9

shift the variable on one side of the equation
3/7-3/9 = 18x

LCD = 63. Multiply equation by 63

3*63/7 -3*63/9 = 18x*63
27-21=1134
6=1134x
x=6/1134
x=1/189