t+-4=21

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Solution for t+-4=21 equation: 


Simplifying
t + -4 = 21

Reorder the terms:
-4 + t = 21

Solving
-4 + t = 21

Solving for variable 't'.

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

Add '4' to each side of the equation.
-4 + 4 + t = 21 + 4

Combine like terms: -4 + 4 = 0
0 + t = 21 + 4
t = 21 + 4

Combine like terms: 21 + 4 = 25
t = 25

Simplifying
t = 25

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