-28=2(3t+7)

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Solution for -28=2(3t+7) equation: 



-28=2(3t+7)

We move all terms to the left:

-28-(2(3t+7))=0



We calculate terms in parentheses: -(2(3t+7)), so:

2(3t+7)

We multiply parentheses

6t+14

Back to the equation:

-(6t+14)



We get rid of parentheses

-6t-14-28=0

We add all the numbers together, and all the variables

-6t-42=0

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

-6t=42

t=42/-6

t=-7

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