What is the solution if any?

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 =

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

If g^-1(x) is the inverse of g (x) which statement must be true