Hello from MrBillDoesMath! 
 
Answer: 
y = 2x + 11
 
Discussion: 
Slope-intercept from is y = mx + b. Rewrite the point-slope equation as follows:
y - 3 = 2(x+4) => add 3 to both sides
y - 3 + 3 = 2(x+4) + 3 =>
y = 2x + 8 + 3 => combine like terms
y = 2x + 11
 
Thank you, 
 
MrB