9t+3=21

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Solution for 9t+3=21 equation: 



9t+3=21

We move all terms to the left:

9t+3-(21)=0

We add all the numbers together, and all the variables

9t-18=0

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

9t=18

t=18/9

t=2

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