13=3(x+4)-1

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Solution for 13=3(x+4)-1 equation: 



13=3(x+4)-1

We move all terms to the left:

13-(3(x+4)-1)=0



We calculate terms in parentheses: -(3(x+4)-1), so:

3(x+4)-1

We multiply parentheses

3x+12-1

We add all the numbers together, and all the variables

3x+11

Back to the equation:

-(3x+11)



We get rid of parentheses

-3x-11+13=0

We add all the numbers together, and all the variables

-3x+2=0

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

-3x=-2

x=-2/-3

x=2/3

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