6(-x-7)-3=-3(1+x)

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Solution for 6(-x-7)-3=-3(1+x) equation: 



6(-x-7)-3=-3(1+x)

We move all terms to the left:

6(-x-7)-3-(-3(1+x))=0

We add all the numbers together, and all the variables

6(-1x-7)-(-3(x+1))-3=0

We multiply parentheses

-6x-(-3(x+1))-42-3=0



We calculate terms in parentheses: -(-3(x+1)), so:

-3(x+1)

We multiply parentheses

-3x-3

Back to the equation:

-(-3x-3)



We add all the numbers together, and all the variables

-6x-(-3x-3)-45=0

We get rid of parentheses

-6x+3x+3-45=0

We add all the numbers together, and all the variables

-3x-42=0

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

-3x=42

x=42/-3

x=-14

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