t^2-2T=-21

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Solution for t^2-2T=-21 equation: 


Simplifying
t2 + -2T = -21

Reorder the terms:
-2T + t2 = -21

Solving
-2T + t2 = -21

Solving for variable 'T'.

Move all terms containing T to the left, all other terms to the right.

Add '-1t2' to each side of the equation.
-2T + t2 + -1t2 = -21 + -1t2

Combine like terms: t2 + -1t2 = 0
-2T + 0 = -21 + -1t2
-2T = -21 + -1t2

Divide each side by '-2'.
T = 10.5 + 0.5t2

Simplifying
T = 10.5 + 0.5t2

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