7-3x=x=4(2+x)

tell me the steps that you did big test real soon

Carrie started with 12 ounces of water when she begin to walk. when she was finish walking she had 2 1/4 ounces of water left. how much did she drank

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.