7+t=21t=11

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Solution for 7+t=21t=11 equation: 



7+t=21t=11

We move all terms to the left:

7+t-(21t)=0

We add all the numbers together, and all the variables

-20t+7=0

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

-20t=-7

t=-7/-20

t=7/20

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