Answer:
The answer to your question is: ST = 27
Step-by-step explanation:
Data
SR = 2x+ 7
ST = x - 6
RT = 100
Process
SR + ST = RT
2x + 7 + x - 6 = 100
3x = 100 - 1
3x = 99
x = 99/ 3
x = 33
ST = 33 - 6
ST = 27
