Find n and r 10 points

Ineed with number 17 i don’t get it at alll

Answer this question, only if you know the answer. 30 points and brainliest!

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 =