3t+12=9

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Solution for 3t+12=9 equation: 



3t+12=9

We move all terms to the left:

3t+12-(9)=0

We add all the numbers together, and all the variables

3t+3=0

We move all terms containing t to the left, all other terms to the right

3t=-3

t=-3/3

t=-1

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