The total number of blues, greens, and yellows in the por was 7. The blues weighed 1 pound the greens weighed 4 pounds, and the yellows weighed 5 pounds. The
total weight was 25 pounds. If there was 1 more yellow than green. how many of
each color were there?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Having a hard time understanding this question (see attachment).

Solve for the equation. 4x - 13 = 2x + 9