-7t+9=30

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Solution for -7t+9=30 equation: 



-7t+9=30

We move all terms to the left:

-7t+9-(30)=0

We add all the numbers together, and all the variables

-7t-21=0

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

-7t=21

t=21/-7

t=-3

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