Question 83424
1/2q-6=1/5q

= (1/2)q - 6 = (1/5)q

Multiplying by 10 (LCD of 2 and 5) throughout,

5q - 60 = 2q

==> 5q - 60 - 2q = 0

==> 3q - 60 = 0

==> 3q = 60

==> q = 60/3

==> q = 20