8t-7=20-t

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Solution for 8t-7=20-t equation: 



8t-7=20-t

We move all terms to the left:

8t-7-(20-t)=0

We add all the numbers together, and all the variables

8t-(-1t+20)-7=0

We get rid of parentheses

8t+1t-20-7=0

We add all the numbers together, and all the variables

9t-27=0

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

9t=27

t=27/9

t=3

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