I need help

Solve for x:
(4 x)/3-1/3 = x+7

(4 x)/3-1/3 = (4 x-1)/3:
(4 x-1)/3 = x+7

Multiply both sides by 3:
(3 (4 x-1))/3 = 3 (x+7)

(3 (4 x-1))/3 = 3/3×(4 x-1) = 4 x-1:
Answer: | 
| 4 x-1 = 3 (x+7)            x=22