Combine like terms: 3x + 8 + 2y + 6 + 2x

21xy

3x +4y + 14

19x + 2y

5x + 2y + 14

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?