4x-1-8x=13-7(x-1)

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Solution for 4x-1-8x=13-7(x-1) equation: 



4x-1-8x=13-7(x-1)

We move all terms to the left:

4x-1-8x-(13-7(x-1))=0

We add all the numbers together, and all the variables

-4x-(13-7(x-1))-1=0



We calculate terms in parentheses: -(13-7(x-1)), so:

13-7(x-1)

determiningTheFunctionDomain
-7(x-1)+13

We multiply parentheses

-7x+7+13

We add all the numbers together, and all the variables

-7x+20

Back to the equation:

-(-7x+20)



We get rid of parentheses

-4x+7x-20-1=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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