Joe weighs 20 lbs. less than three times jeff's weight. if jeff would gain 10 lbs., then together they would weight 250lbs. how much does each weight?

3. solve by graphing: y = 2x + 6 x + y = -3

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Given abcd ac=38 and ae=3x+4 find the value of x