Explanation:
4: To evaluate an algebraic equation, replace each variable with the given number, and carry out the computation.
-This is basically explained the steps of evaluating an equation. You are receiving a number for x, so you then simplify and find if ?=? is true.-
6. 8+r
8 more than a number.
A number increased by 8.
24. 8-y
(Just the opposite.)
A number less than 8.
8 decreased by a number.
34. (I don't see the problem for this one.)
Hope I helped!