7t+9=4t-9

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Solution for 7t+9=4t-9 equation: 



7t+9=4t-9

We move all terms to the left:

7t+9-(4t-9)=0

We get rid of parentheses

7t-4t+9+9=0

We add all the numbers together, and all the variables

3t+18=0

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

3t=-18

t=-18/3

t=-6

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