First, you need to find the value of x.
6x - 3 = 12
x =?
(6 × ?) - 3 = 12
The number that is 3 more than 12 is 15. 15 ÷ 6 = 2.5.
(6 × 2.5) - 3 = 12
So, 2.5 is the value of x.
[tex] \frac{2}{3} [/tex] x + 5 = ?
[tex] \frac{2}{3} [/tex] (2.5) + 5 = 6.66666666667
The answer is 6.66666666667 ≈ 6.6