-21=2(x-8)+3x=

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Solution for -21=2(x-8)+3x= equation: 



-21=2(x-8)+3x=

We move all terms to the left:

-21-(2(x-8)+3x)=0



We calculate terms in parentheses: -(2(x-8)+3x), so:

2(x-8)+3x

We add all the numbers together, and all the variables

3x+2(x-8)

We multiply parentheses

3x+2x-16

We add all the numbers together, and all the variables

5x-16

Back to the equation:

-(5x-16)



We get rid of parentheses

-5x+16-21=0

We add all the numbers together, and all the variables

-5x-5=0

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

-5x=5

x=5/-5

x=-1

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