Practice problem
Simplify
111
5x+35x+7\frac{5x + 3}{5x + 7}5x+75x+3
5x+125x+7\frac{5x + 12}{5x + 7}5x+75x+12
5x+1210x+14\frac{5x + 12}{10x + 14}10x+145x+12
Type a concept, like “slope” or “photosynthesis”.
