(2x=-18)

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Solution for (2x=-18) equation: 



(2x=-18)

We move all terms to the left:

(2x-(-18))=0



We calculate terms in parentheses: +(2x-(-18)), so:

2x-(-18)

We add all the numbers together, and all the variables

2x+18

Back to the equation:

+(2x+18)



We get rid of parentheses

2x+18=0

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

2x=-18

x=-18/2

x=-9

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