三個(gè)小隊(duì)植樹(shù),第一隊(duì)種x棵,第二隊(duì)種的樹(shù)比第一隊(duì)種的樹(shù)的2倍還多8棵,第三隊(duì)種的樹(shù)比第二隊(duì)種的樹(shù)的一半少6棵,三隊(duì)共種樹(shù)______棵.
依題意得:第二隊(duì)樹(shù)的數(shù)量=2x+8,第三隊(duì)種的樹(shù)的棵樹(shù)=
(2x+8)-6=x-2,
所以三隊(duì)共種樹(shù)x+(2x+8)+(x-2)=4x+6(棵).