Which equation is equivalent to 7a = 3(b-5) solve for b?

Solve 2x+y=3 x+y=5 in substitution method

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

Nani needs to buy 8 cups of fresh pineapple for a fruitcocktail. the table shows the unit prices (per cup) ofpineapple at different stores. if nani only has $4, fromwhich stores could she purchase her pineapple? check all that apply.