2x-2+x-9=2x+8
what does x equal
Help I'm so bad at math!!!

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

What’s the answer ? use the picture to see the problem

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?