Please answer i need it for my test

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 =

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.