(-7t)+4t=9

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



(-7t)+4t=9

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

4t-7t-9=0

We add all the numbers together, and all the variables

-3t-9=0

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

-3t=9

t=9/-3

t=-3

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