105=-7(-7+2x)

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Solution for 105=-7(-7+2x) equation: 



105=-7(-7+2x)

We move all terms to the left:

105-(-7(-7+2x))=0

We add all the numbers together, and all the variables

-(-7(2x-7))+105=0



We calculate terms in parentheses: -(-7(2x-7)), so:

-7(2x-7)

We multiply parentheses

-14x+49

Back to the equation:

-(-14x+49)



We get rid of parentheses

14x-49+105=0

We add all the numbers together, and all the variables

14x+56=0

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

14x=-56

x=-56/14

x=-4

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