2/3(9+x)=-5(4-x)
find the solution quickly, will give brainliest! please show work

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

If 3x+8=3x+8 is it one solution or no solution