Help? any one can ear brailest

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate