550=-10(7x-20)

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Solution for 550=-10(7x-20) equation: 



550=-10(7x-20)

We move all terms to the left:

550-(-10(7x-20))=0



We calculate terms in parentheses: -(-10(7x-20)), so:

-10(7x-20)

We multiply parentheses

-70x+200

Back to the equation:

-(-70x+200)



We get rid of parentheses

70x-200+550=0

We add all the numbers together, and all the variables

70x+350=0

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

70x=-350

x=-350/70

x=-5

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