i undermost of my problems but i dont get this one. any help?

Answer:
y = 6x + 4
Step-by-step explanation:
(x₁ , y₁) = (-2 , -8) & (x₂ , y₂) = (2 , 16)
[tex]Slope =\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]
[tex]= \frac{16-[-8]}{2-[-2}\\\\=\frac{16+8}{2+2}\\\=\frac{24}{4}\\\\= 6[/tex]
m = 6
y - y₁ = m(x - x₁)
y - [-8] = 6(x -[2])
y + 8 = 6(x + 2)
y + 8 = 6x + 6*2
y + 8 = 6x + 12
y = 6x + 12 - 8
y = 6x + 4