(4x-9)=(x+30)

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Solution for (4x-9)=(x+30) equation: 



(4x-9)=(x+30)

We move all terms to the left:

(4x-9)-((x+30))=0

We get rid of parentheses

4x-((x+30))-9=0



We calculate terms in parentheses: -((x+30)), so:

(x+30)

We get rid of parentheses

x+30

Back to the equation:

-(x+30)



We get rid of parentheses

4x-x-30-9=0

We add all the numbers together, and all the variables

3x-39=0

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

3x=39

x=39/3

x=13

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