(-1/2)/x = -7/3
multiply both sides by x
(-1/2) = (-7/3)x
divide both sides by (-7/3)
(-1/2)/(-7/3) = x
dividing by a fraction is the same as multiplying by it's reciprocal:
x = (-1/2)(-3/7)
the negative signs cancel
x = (1/2)(3/7)
x = (13)/(2*7)
x = 3/14
