-2=2(h-20)

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Solution for -2=2(h-20) equation: 



-2=2(h-20)

We move all terms to the left:

-2-(2(h-20))=0



We calculate terms in parentheses: -(2(h-20)), so:

2(h-20)

We multiply parentheses

2h-40

Back to the equation:

-(2h-40)



We get rid of parentheses

-2h+40-2=0

We add all the numbers together, and all the variables

-2h+38=0

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

-2h=-38

h=-38/-2

h=+19

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