I need help with this question, please.

The table above shows approximate conversions from gallons to liters. what is the value of x?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?