3t+9=7t-3

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Solution for 3t+9=7t-3 equation: 



3t+9=7t-3

We move all terms to the left:

3t+9-(7t-3)=0

We get rid of parentheses

3t-7t+3+9=0

We add all the numbers together, and all the variables

-4t+12=0

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

-4t=-12

t=-12/-4

t=+3

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