Solve for Q
Q=\pi +69\approx 72.141592654
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3-\pi +Q=76-4
Add 1 and 2 to get 3.
3-\pi +Q=72
Subtract 4 from 76 to get 72.
-\pi +Q=72-3
Subtract 3 from both sides.
-\pi +Q=69
Subtract 3 from 72 to get 69.
Q=69+\pi
Add \pi to both sides.
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