9 + 1.25x > 14 + 0.75x

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

Can someone me and do the problem plz so i can understand it more better