Please help I’m really not getting this

Brent wants to know what is 5 x 1/2

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice