Respuesta :

saqqara10
The equation would be set up as 7-x or whatever the variable is
mikekhar

Answer:

6. Sister #1 = T+7, Sister #2=T-3

(T+7)(T-3)=24

T2-3T+7T-21=24

T2+4T-45=0

(T+9)(T-5)=0

T=-9, T=5.

Tamara can't be -9 years old so she is 5.

Step-by-step explanation: