9x-4-2x-1=4(4+x)

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Solution for 9x-4-2x-1=4(4+x) equation: 



9x-4-2x-1=4(4+x)

We move all terms to the left:

9x-4-2x-1-(4(4+x))=0

We add all the numbers together, and all the variables

9x-2x-(4(x+4))-4-1=0

We add all the numbers together, and all the variables

7x-(4(x+4))-5=0



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

4(x+4)

We multiply parentheses

4x+16

Back to the equation:

-(4x+16)



We get rid of parentheses

7x-4x-16-5=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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