Question

exercitiu 1) 100:(3x+1)-3=9 plz dau coroana

Answer 1

$\frac{100}{3x+1}-3=9 \\ \\ 100-3(3x+1)=9(3x+1) \\ \\ 100=27x+9+9x +3 \\ \\ 100-12=36x \\ \\ 88=36x \\ \\ x= \frac{22}{9}$