In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data
T = 2x + 3y - z
T - 2x = 3y - z
Step 02:
T - 2x + z = 3y
(T - 2x + z ) / 3 = y
The answer is :
box 1 : T - 2x + z
box 2: (T - 2x + z ) / 3
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