Ineed yo solve y on this problem.
4x - 5 = 7 + 4y

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c