And possibly explain if you can. i don't get this stuff : / (will give brainiest if correct, if possible)

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 =

Acircle has a circumference of 28.36 units what is the diameter of the circle

What is not true about kl and mn? what is mn? (show )