10/2q+8=1/10
I'm supposing this is :
10 / (2q+8) =1/10 and we can write this as
(2q + 8) / 10 = 10 / 1 multiply both sides by 10
(2q + 8) = 100 subtract 8 from both sides
2q = 92 divide both sides by 2
q = 46