What is the value of x x 3 21 6 July 8, 2019 16 32 64 128 What is the value of x in the equation 3 x 1 6 2x 5 21 What is the value of x x = 21 What is the value of x−2 What is the value of x 2 3 6 7 What is the value of x if 3x−6=21 What is the value of x in the proportion 2/x=3/9