-18=-2(t-10)

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Solution for -18=-2(t-10) equation: 



-18=-2(t-10)

We move all terms to the left:

-18-(-2(t-10))=0



We calculate terms in parentheses: -(-2(t-10)), so:

-2(t-10)

We multiply parentheses

-2t+20

Back to the equation:

-(-2t+20)



We get rid of parentheses

2t-20-18=0

We add all the numbers together, and all the variables

2t-38=0

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

2t=38

t=38/2

t=19

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