Respuesta :

tifffanybusiness
q=r+st
q-r=st
q-r/s=t
B
hello121212

Answer:

b

Step-by-step explanation:

because you would do

Q=R+ST

S/Q=R+S/SxT

S/Q=R+T

S/(Q-R)=t

Q-R=t

 S

(need a better explanation LMK)

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