t+-1=-21

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Solution for t+-1=-21 equation: 


Simplifying
t + -1 = -21

Reorder the terms:
-1 + t = -21

Solving
-1 + t = -21

Solving for variable 't'.

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

Add '1' to each side of the equation.
-1 + 1 + t = -21 + 1

Combine like terms: -1 + 1 = 0
0 + t = -21 + 1
t = -21 + 1

Combine like terms: -21 + 1 = -20
t = -20

Simplifying
t = -20

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