-78=-2(s+25)

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Solution for -78=-2(s+25) equation: 



-78=-2(s+25)

We move all terms to the left:

-78-(-2(s+25))=0



We calculate terms in parentheses: -(-2(s+25)), so:

-2(s+25)

We multiply parentheses

-2s-50

Back to the equation:

-(-2s-50)



We get rid of parentheses

2s+50-78=0

We add all the numbers together, and all the variables

2s-28=0

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

2s=28

s=28/2

s=14

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