need help

6+x+x+x+x/6=1.5. What is x

= 6 + (3x +1/6 x) = 1.5

3 1/6 x = -4.5

x = -4.5 / (3 1/6) =  -4.5 / (19/6)  = -4.5 * (6/19) = -27/19