Variable expression:

Four times the result of 3 times a number subtracted from 2.

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Which expression will have the same sum as 3_8 + 1/4?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4