189=-7(-7-4x)

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Solution for 189=-7(-7-4x) equation: 



189=-7(-7-4x)

We move all terms to the left:

189-(-7(-7-4x))=0

We add all the numbers together, and all the variables

-(-7(-4x-7))+189=0



We calculate terms in parentheses: -(-7(-4x-7)), so:

-7(-4x-7)

We multiply parentheses

28x+49

Back to the equation:

-(28x+49)



We get rid of parentheses

-28x-49+189=0

We add all the numbers together, and all the variables

-28x+140=0

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

-28x=-140

x=-140/-28

x=+5

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