18=-2(x-10)

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



18=-2(x-10)

We move all terms to the left:

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



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

-2(x-10)

We multiply parentheses

-2x+20

Back to the equation:

-(-2x+20)



We get rid of parentheses

2x-20+18=0

We add all the numbers together, and all the variables

2x-2=0

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

2x=2

x=2/2

x=1

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