20=4t-(-8)

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Solution for 20=4t-(-8) equation: 



20=4t-(-8)

We move all terms to the left:

20-(4t-(-8))=0



We calculate terms in parentheses: -(4t-(-8)), so:

4t-(-8)

We add all the numbers together, and all the variables

4t+8

Back to the equation:

-(4t+8)



We get rid of parentheses

-4t-8+20=0

We add all the numbers together, and all the variables

-4t+12=0

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

-4t=-12

t=-12/-4

t=+3

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