Help Math if u dont know it plz dont answer THIS IS TIMED

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 =

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9