Can someone please tell me what 23=x+14 is? Thanks

What are “like terms”? why can we only add like terms?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Precalculus question, image attached.