15=-2(2t-)

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Solution for 15=-2(2t-) equation: 



15=-2(2t-)

We move all terms to the left:

15-(-2(2t-))=0

We add all the numbers together, and all the variables

-(-2(+2t))+15=0



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

-2(+2t)

We multiply parentheses

-4t

Back to the equation:

-(-4t)



We get rid of parentheses

4t+15=0

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

4t=-15

t=-15/4

t=-3+3/4

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