First get the number of litres he drinks in one day. you get that by dividing 350 by 2 =175. to get the number of litres he drinks in 6 days multiply 6 by 175 and you get your answer as 1050
Combine any like terms on each side of the equation: x-terms with x-terms and constants with constants. Arrange the terms in the same order, usually x-term before constants. If all of the terms in the two expressions are identical, then the two expressions are equivalent.
