-2(x+1)-(4x+9)=42-3(x+11)-20

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Solution for -2(x+1)-(4x+9)=42-3(x+11)-20 equation: 



-2(x+1)-(4x+9)=42-3(x+11)-20

We move all terms to the left:

-2(x+1)-(4x+9)-(42-3(x+11)-20)=0

We multiply parentheses

-2x-(4x+9)-(42-3(x+11)-20)-2=0

We get rid of parentheses

-2x-4x-(42-3(x+11)-20)-9-2=0



We calculate terms in parentheses: -(42-3(x+11)-20), so:

42-3(x+11)-20

determiningTheFunctionDomain
-3(x+11)+42-20

We add all the numbers together, and all the variables

-3(x+11)+22

We multiply parentheses

-3x-33+22

We add all the numbers together, and all the variables

-3x-11

Back to the equation:

-(-3x-11)



We add all the numbers together, and all the variables

-6x-(-3x-11)-11=0

We get rid of parentheses

-6x+3x+11-11=0

We add all the numbers together, and all the variables

-3x=0

x=0/-3

x=0

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