-105=7x-(-3-2x)

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Solution for -105=7x-(-3-2x) equation: 



-105=7x-(-3-2x)

We move all terms to the left:

-105-(7x-(-3-2x))=0

We add all the numbers together, and all the variables

-(7x-(-2x-3))-105=0



We calculate terms in parentheses: -(7x-(-2x-3)), so:

7x-(-2x-3)

We get rid of parentheses

7x+2x+3

We add all the numbers together, and all the variables

9x+3

Back to the equation:

-(9x+3)



We get rid of parentheses

-9x-3-105=0

We add all the numbers together, and all the variables

-9x-108=0

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

-9x=108

x=108/-9

x=-12

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