Write an equation to solve for x. then find the value of x.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?