7t-20t=13

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Solution for 7t-20t=13 equation: 



7t-20t=13

We move all terms to the left:

7t-20t-(13)=0

We add all the numbers together, and all the variables

-13t-13=0

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

-13t=13

t=13/-13

t=-1

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