Please help!! (The answer 6 is wrong)
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Hey there!!
PQ bisects ST , which means
SR = RT
ST is given by 30
Which means
SR = RT = 30
SR = 3x + 3
As we know SR = 15
3x + 3 = 15
Subtracting 3 on both sides
3x = 12
Dividing by 3 on both sides
x = 4
Option ( d )