9(9-x)=7(4x+1)

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Solution for 9(9-x)=7(4x+1) equation: 



9(9-x)=7(4x+1)

We move all terms to the left:

9(9-x)-(7(4x+1))=0

We add all the numbers together, and all the variables

9(-1x+9)-(7(4x+1))=0

We multiply parentheses

-9x-(7(4x+1))+81=0



We calculate terms in parentheses: -(7(4x+1)), so:

7(4x+1)

We multiply parentheses

28x+7

Back to the equation:

-(28x+7)



We get rid of parentheses

-9x-28x-7+81=0

We add all the numbers together, and all the variables

-37x+74=0

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

-37x=-74

x=-74/-37

x=+2

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