What is the x-value of the solution to this system of equations? x = 2y − 4 7x + 5y = -66

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?

The value of x must be greater than what?

2and 3 are angles. complementary vertical congruent supplementary