21+t=

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Solution for 21+t= equation: 


Simplifying
21 + t = 0

Solving
21 + t = 0

Solving for variable 't'.

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

Add '-21' to each side of the equation.
21 + -21 + t = 0 + -21

Combine like terms: 21 + -21 = 0
0 + t = 0 + -21
t = 0 + -21

Combine like terms: 0 + -21 = -21
t = -21

Simplifying
t = -21

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