How much Greater is the elevation of the ending point then the starting point for the trail

On a architect's drawing of a house, 1 inche representa 1.5

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 =

Can someone me with my math problem pls my teacher is on my back about this