Find Y using this diagram

Issof claims that the scale factor is 1/2. which statement about his claim is correct

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 =

Explain how you can use the associative property to evaluate (7x50)x4.