-105=7(2x+3)

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



-105=7(2x+3)

We move all terms to the left:

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



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

7(2x+3)

We multiply parentheses

14x+21

Back to the equation:

-(14x+21)



We get rid of parentheses

-14x-21-105=0

We add all the numbers together, and all the variables

-14x-126=0

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

-14x=126

x=126/-14

x=-9

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