Question

3x+11/x+4 + 9+2x/x+4

Answer 1

$frac{3x+11}{x+4}+ frac{9+2x}{x+4} = frac{3x+11+9+2x}{x+4}= frac{5x+20}{x+4} = frac{5(x+4)}{x+4}=5$