Which operation should be performed on both sides of this equation to solve for x? x +4= 6

A

В.

add 4

add the opposite of 4

C. multiply by the reciprocal of 4

D. multiply by the opposite reciprocal of 4

Need on this geometry question. explain how you did it.

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

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?