Intermediate equations for measured variables (6, 6)

1. (1): T2_Q1 = Q2
2. (1): V_Q2 = T2_Q1
3. (1): T3_Q1 = Q3
4. (1): V_Q3 = T3_Q1
5. (1): V_Q1 = V_Q2 + V_Q3
6. (1): V_Q1 = T1_Q2