Question

Point T is on line segment SU.Given TU=X-1,SU=3x-7and ST=x+7, determine the numerical length of TU

Answer 1

TU = 12

Explanation:

SU - ST = TU

3x - 7 - (x + 7) = x - 1

3x - 7 - x - 7 = x - 1

3x - x - x = -1 + 7 + 7

x = 13

TÚ = 13-1 = 12