T=42-7t

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Solution for T=42-7t equation: 



=42-7T

We move all terms to the left:

-(42-7T)=0

We add all the numbers together, and all the variables

-(-7T+42)=0

We get rid of parentheses

7T-42=0

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

7T=42

T=42/7

T=6

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