(t-3)*7=6t+21

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Solution for (t-3)*7=6t+21 equation: 



(t-3)*7=6t+21

We move all terms to the left:

(t-3)*7-(6t+21)=0

We multiply parentheses

7t-(6t+21)-21=0

We get rid of parentheses

7t-6t-21-21=0

We add all the numbers together, and all the variables

t-42=0

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

t=42

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