3t=9+12

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Solution for 3t=9+12 equation: 


Simplifying
3t = 9 + 12

Combine like terms: 9 + 12 = 21
3t = 21

Solving
3t = 21

Solving for variable 't'.

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

Divide each side by '3'.
t = 7

Simplifying
t = 7

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