Help? which one is the correct one

Anyone know? will mark brainliest if you're 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 =

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?