Photos 2T 4 5T

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2t 4 5t. 2t+9/5t=4. 8t + 2 - (5 + 7t) - 4t. (T-9)2=(T+4)2. 5t2=9t-4t2.
2t+9/5t=4. 8t + 2 - (5 + 7t) - 4t. (T-9)2=(T+4)2. 5t2=9t-4t2.