Can some body please help me with this? And thank you

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 =

This is about circle theorems. someone asap : (

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?