Translate the phrase into a mathematical expression and then simplify. Five time a number decreased by twice the same number

Question

This is what I got
5 X x-x-x ? I think and sure am way off

Answer 1

5x - 2x = 3x

Answer 2

39+(-88) -29 - (-83)=

Answer 3

Nine subtracted from the quotient of twice a number, x, and three.