Can someone help me with this question.

Solve for x. −3/4(x+2)=6 enter your answer in the box

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose